"Are you saying I have forest-creature blood?" she exclaimed softly. "Is that what you're saying? That Fm like you?"

"Oh, for cat's sake, pay attention!" Pick had turned purple. "Why do I bother trying to tell you anything?"

"But you said..."

"You're nothing like me! I'm six inches high and a hundred and fifty years old! I'm a sylvan! You're a little girl! Forest creatures and humans are different species!"

"All right, all right, settle down. I'm not like you. Thank goodness, I might add. Crabpuss." When he tried to object, she hurried on. "So there's an affinity we share, a bond of the sort that makes us both so much at home in the park..."

But Pick had waved his hands dismissively and cut her off. "Go ask your grandmother. She's the one who said you could do magic. She's the one who should tell you why."

That was the end of the matter as far as Pick was concerned, and he had refused to say another word about it since. Nest had thought about asking Gran, but Gran never wanted to discuss the origins of her magic, only what the consequences would be if she were careless. If she wanted a straight answer from Gran, she would have to approach the matter in the right way at the right time and place. As of now, Nest didn't know how to do that.

Pick jumped down onto her shoulder from a low-hanging branch as she neared the gap in the hedgerow. It used to frighten her when he appeared unexpectedly like that, like having a large bug land on you, but she had gotten used to it. She glanced down at him and saw the impatience and distress mirrored in his eyes.

"That confounded Indian has disappeared!" he snapped, forgoing any greeting. "Two Bears?" She slowed.

"Keep moving. You can spit and whistle at the same time, can't you?" He straddled her shoulder, kicking at her with his heels as you might a recalcitrant horse. "Disappeared, gone up in a puff of smoke. Not literally, of course, but he might as well have. I've looked for him everywhere. I was sure I'd find him back at that table, looking off into the sunrise with that blank stare of his. But I can't even find his tracks!"

"Did he sleep in the park?" Nest nudged her way through the hedgerow, being careful not to knock Pick from his perch. "Beats me. I scouted the whole of the park from atop Daniel early this morning. Flew end to end. The Indian's gone. There's no sign of him." Pick pulled and tugged mercilessly at his beard. "It's aggravating, but it's the least of our troubles."

She stepped into the park and crossed the service road toward the ball diamonds. "It is?"

"Trust me." He gave her a worried glance. "Take a walk up into the deep woods and I'll show you."

Never one to walk when she could run, Nest broke into a steady jog that carried her across the open expanse of the central park toward the woods east. She pa.s.sed the ball fields, the playgrounds, and the toboggan run. She rounded the east pavilion and skirted a group of picnickers gathered at one of the tables. Heads turned to look, then turned away again. She could smell hot dogs, potato salad, and sweet pickles. Sweat beaded on her forehead, and her breath felt hot and dry in her throat. The sunlight sprinkled her with squiggly lines and irregular spots as she ran beneath the broken canopy of the hardwoods, moving downhill off the high ground toward the bayou and the deep woods beyond. She pa.s.sed a couple hiking one of the trails, smiled briefly in greeting, and hurried on. Pick whispered in her ear, giving her directions interspersed with unneeded advice about running between trees.

She crossed the wooden bridge at the stream that emptied out of the woods into the bayou and turned uphill again. The woods ahead were thick with shadows and scrub. There were no picnic tables or cooking stations back here, only hiking trails. The trees were silent sentinels all around her, aged dark hulks undisturbed since their inception, witnesses to the pa.s.sing of generations of life. They towered over everything, a ma.s.sive and implacable presence. Sunlight was an intruder here, barely able to penetrate the forest canopy, appearing in a scattering of hazy streaks amid the gloom. Feeders skulked at the edges of her peripheral vision, small movements gone as quickly as they were glimpsed.

"Straight ahead," Pick directed as they crested the rise, and she knew at once where they were going.

They plunged deep into the old growth, the trails narrowing and coiling like snakes. Th.o.r.n.y branches of scrub poked in from the undergrowth and sometimes threatened to cut off pa.s.sage entirely. Itchweed grew in large patches, and mounds of thistles bristled from amid the saw gra.s.s. It was silent here, so still you could hear the voices of the picnickers from back across the stream almost a quarter of a mile away. Nest navigated her way forward carefully, choosing her path from experience, no longer relying on Pick to tell her where to go. Sweat coated her skin and left her clothing feeling damp and itchy. Mosquitoes and flies buzzed past her ears and flew at her nose and eyes. She brushed at them futilely, wishing suddenly she had something cold to drink.

She emerged finally in the heart of the deep woods in a clearing dominated by a single, monstrous oak. The other trees seemed to shy away from it, their trunks and limbs twisted and bent, grown so in an effort to reach the nourishing light denied them by the big oak's sprawling canopy. The clearing in which the old tree grew was barren of everything but a few small patches of saw gra.s.s and weeds. No birds flitted through the oak's ancient branches. No squirrels built their nests within the crook of its limbs. No movement was visible or sound audible from any part of its gloomy heights. All about, the air was heavy and still with heat and shadows.

Nest stared upward into the old tree, tracing the line of its limbs to the thick umbrella of leaves that shut away the sky. She had not come here for a long time. She did not like being here now. The tree made her feel small and vulnerable. She was chilled by the knowledge of the dark purpose it served and the monstrous evil it contained. For this was the prison of a maentwrog. Pick had told her the maentwrog's story shortly after their first meeting. She remembered the aged tree from her flight into the park atop Daniel. She had seen it in the hazy gloom of the deepening twilight, and she had marked it well. Even at six, she knew when something was dangerous. Pick confirmed her suspicions. Maentwrogs were, to use the sylvan's own words, "half predator, half raver, and all bad." Thousands of years ago they had preyed upon forest creatures and humans alike, de - * vouring members of both species in sudden, cataclysmic, frenzied bursts triggered by a need that only they understood. They would tear the souls out of their victims while they still lived, leaving them hollow and consumed by madness. They fed in the manner of the feeders, but did not rely on dark emotions for their response. They were thinking creatures. They were hunters. This one had been imprisoned in the tree a thousand years ago, locked away by Indian magic when it became so destructive that it could no longer be tolerated. Now and again, it threatened to escape, but the magic of the park's warders, human and sylvan, had always been strong enough to contain it.

Until now, Nest thought in horror, realizing why Pick had brought her here. The ma.s.sive trunk of the ancient oak was split wide in three places, the bark fissured so that the wood beneath was exposed in dark, ragged cuts that oozed a foul, greenish sap. Nest thought in horror, realizing why Pick had brought her here. The ma.s.sive trunk of the ancient oak was split wide in three places, the bark fissured so that the wood beneath was exposed in dark, ragged cuts that oozed a foul, greenish sap.

"It's breaking free," the sylvan said quietly.

Nest stared wordlessly at the jagged rifts in the old tree's skin, unable to look away. The ground about the oak was dry and cracked, and there were roots exposed, the wood mottled and diseased.

"Why is this happening?" she asked in a whisper.

Pick shrugged. "Something is attacking the magic. Maybe the shift in the balance of things has weakened it. Maybe the feeders have changed their diet. I don't know. I only know we have to find a way to stop it."

"Can we do that?"

"Maybe. The fissures are recent. But the damage is far more extensive than I have ever seen before." He shook his head, then glanced left and right into the trees about them. "The feeders sense it. Look at them."

Nest followed his gaze. Feeders lurked everywhere in the shadows, hanging back in the gloom so that only their eyes were visible. There was an unmistakable eagerness in their gaze and in their furtive movements, an expectancy that was unsettling.

"What happens if the maentwrog breaks free?" she asked Pick softly, shivering with the feel of those eyes watching.

Pick c.o.c.ked an eyebrow and frowned. "I don't know. It's been a prisoner of the tree for so long that I don't think anyone knows. I also don't think anyone wants to find out."

Nest was inclined to agree. "So we have to make sure that doesn't happen. What can I do to help?"

Pick jumped down from her shoulder to her arm, then scooted down her leg to the ground. "Bring me some salt. One of those big bags of the stuff they use in the water conditioners. Rock salt, if that's all you can find. I'll need a bag of compost, too. A wheelbarrow full. A bag of fertilizer or manure is okay. Pitch or tar, too. To fill in those splits." He looked at her. "Do the best you can. I'll stay here and work on strengthening the magic."

Nest shook her head in dismay, looking back again at the tree. "Pick, what's going on?"

The sylvan understood what she was asking. He tugged up his shirtsleeves angrily. "Some sort of war, I'd guess. What does it look like to you? Now get going."

She took a deep breath and darted away through the trees. She raced down the narrow trail, heedless of the brambles and the stinging nettles that swiped at her. Even without hearing him speak the words, she could feel Pick urging her to hurry.

Chapter Twelve.

Ten minutes later, she was racing up the gravel drive to Robert Heppler's house. Ca.s.s Minter was closer, and Nest might have gone to her instead, but Robert was more likely to have what she needed. The Hepplers lived at the end of a private road off Spring Drive on three acres of woodland that bordered the park at its farthest point east, just up from the sh.o.r.es of the Rock River. It was an idyllic setting, a miniature park with great old hardwoods and a lawn that Robert's dad, a chemical engineer by trade but a gardener by avocation, kept immaculate. Robert found his father's devotion to yard work embarra.s.sing. He was fond of saying his father was in long-term therapy to cure his morbid fascination with gra.s.s. One day he would wake up and discover he really wasn't Mr. Green Jeans after all.

Nest reached the Heppler property by climbing a split-rail fence on the north boundary and sprinting across the yard to intercept the gravel drive on its way to the house. The house sat large and quiet in front of her, a two-story Cape Cod rambler with weathered shingle-shake sides and white trim. Patterned curtains hung in the windows, and flowers sprouted in an array of colors from wooden window boxes and planters. The bushes were neatly trimmed and the flower beds edged. The wicker porch furniture gleamed. All the gardening and yard tools were put away in the toolshed. Everything was in its place. Robert's house looked just like a Norman Rockwell painting. Robert insisted that one day he would burn it to the ground.

But Nest spared little thought for the Heppler house today, Pick's words and looks weighing heavily on her mind. She had seen Pick worried before, but never like this. She tried not to dwell on how sick the big oak looked, the rugged bark of its trunk split apart and oozing, its roots exposed in the dry, cracked earth, but the image was vivid and gritty in her mind. She raced up the Heppler drive, her shoes churning up the gravel in puffs of dust that hung suspended in the summer heat. Robert's parents would be at work, both of them employed at Allied Industrial, but Robert should be home.

She jumped onto the neatly swept porch, trailing dust and gravel in her wake, rang the doorbell with no perceptible effect, and then banged on the screen impatiently. "Robert!"

She knew he was there; the front door was open to the screen. She heard him finally, a rapid thudding of footsteps on the stairs as he dashed down from his room.

"All right already, I'm coming!" His blond head bobbed into view through the screen. He was wearing a T-shirt that said Microsoft Rules and a pair of jeans. He saw Nest. "What are you doing, banging on the door like that? You think I' m deaf or something?"

"Open the door, Robert!"

He moved to unfasten the lock. "This better be important. I'm right in the middle of downloading a fractal coding system it took me weeks to find on the Net. I just left it sitting there, unprotected. If I lose it, so help me..." His fingers fumbled with the catch. "What are you doing here? I thought you were going swimming with Ca.s.s and Brianna. Matter of fact, I think they're waiting for you. Didn't Ca.s.s call you at your house? What am I, some sort of messenger service? Why does everything always depend on... Hey!"

She had the screen door open now, and she dragged him outside by his arm. "I need a bag of compost and a bag of softener salt."

He jerked his arm free irritably. "What?"

"Compost and softener salt!"

"What are you talking about? What do you want with those?"

"Do you have them? Can we go look? This is important!"

Robert shook his head and rolled his eyes. "Everything is important to you. That's your problem. Chill out. Be cool. It's summer, in case you hadn't noticed, so you don't have to..."

Nest reached out and took hold of his ears. Her grip was strong and Robert gasped. "Look, Robert, I don't have time for this! I need a bag of compost and a bag of softener salt! Don't make me say it again!"

"All right, all right!" Robert was twisting wildly from the neck down, trying not to move his head or put further pressure on his pinioned ears. His narrow face scrunched up with pain. "Leggo!"

Nest released him and stepped back. "This is important, Robert," she repeated carefully.

Robert rubbed at his injured ears and gave her a rueful look. "You didn't have to do that."

"I'm sorry. But you have a way of bringing out the worst in me."

"You're weird, Nest, you know that?"

"I need some pitch, too."

Robert gave her a look. "How about a partridge in a pear tree while we're at it?"

"Robert."

Robert stepped back guardedly. "Okay, let me go take a look out in the toolshed. I think there's a couple bags of compost stored there. And there's some salt for the conditioner in the bas.e.m.e.nt. Jeez."

They trotted out to the storage shed and found the compost, then returned to the house and went down into the bas.e.m.e.nt, where they found the softener salt. The bags weighed fifty pounds, and it took both of them to haul each one out to the front porch. They were sweating freely when they finished, and Robert was still griping about his ears.

They dropped the compost on top of the softener salt, and Robert kicked at the bags angrily. "You better not grab me like that again, Nest. If you weren't a girl, I'd have decked you."

"Do you have any pitch, Robert?"

Robert put his hands on his narrow hips and glared at her. "What do you think this is, a general store? My dad counts all this stuff, you know. Maybe not the salt, since that doesn't have anything to do with his precious yard, but the compost for sure. What am I supposed to tell him when he asks me why he's missing a bag?"

"Tell him I borrowed it and I'll replace it." Nest glanced anxiously towards the park. "How about the pitch?"

Robert threw up his hands. "Pitch? What's that for? You mean like for patching roads? Tar? You want tar? Where am I supposed to find that?"

"No, Robert, not tar. Pitch, the kind you use to patch trees."

"Is that what we're doing here? Patching up trees?" Robert looked incredulous. "Are you nuts?"

"Do you have a wagon?" she asked. "You know, an old one from when you were little?"

"No, but I think it might be a good idea to call one for you! You know, the padded kind?" Robert was apoplectic. "Look, I found the compost and the salt, and that's all I..."

"Maybe Ca.s.s has one," Nest interrupted. "I'll call her. You go back out to the shed and look for the pitch."

Without waiting for his response, she darted into the house and through the hall and living room to the kitchen phone, the screen door banging shut behind her. She felt trapped. It was hard knowing what she did of the park and of its creatures and their magic and never being able to speak of it to her friends. But what if they knew? What would happen if the maentwrog were to break free of its prison? Something that terrible would be too obvious to miss, wouldn't it? Not like the feeders or Pick or even Wraith. What would that do to the barrier of secrecy that separated the human and forest-creature worlds?

She dialed the phone, chewing nervously on her lower lip. This was all taking too much time. Ca.s.s picked up on the second ring. Nest told her friend what she needed, and Ca.s.s said she would be right down. Good old Ca.s.s, Nest thought as she hung up the phone. No questions, no arguments - just do it. She went back outside and sat on the porch waiting for Robert. He reappeared a few moments later with a bucket of something labeled Tree Seal that he said he thought would do the trick. He'd found an old stirring stick and a worn brush to apply the contents. He dumped them on the ground and sat down beside her on the steps. Neither of them said anything, staring out into the shaded yard and the heat. Somewhere down the way, off toward Woodlawn, they could hear the music of an ice-cream truck.

"You know, I would have been all right yesterday," Robert said finally, his voice stubborn. "I'm not afraid of Danny Abbott. I'm not afraid to fight him." He scuffed at the porch step with his shoe. "But thanks, anyway, for doing whatever it was you did."

"I didn't do anything," she told him.

"Yeah, sure." Robert smirked.

"Well, I didn't."

"I was there, Nest. Remember?"

"He tripped over himself." She smoothed the skin on her knees with the palms of her hands, looking down at her feet. "I didn't touch him. You saw."

Robert didn't say anything. He hunched forward and buried his face in his knees. "All I know is I'd rather have you for a friend than an enemy." He peeked up at her and rubbed his reddened ears gingerly. "So we're off to patch up a tree, are we? Jeez. What a treat. Good thing I like you, Nest."

A few minutes later Ca.s.s arrived with Brianna, pulling a small, red metal wagon. They loaded the softener salt, compost, and bucket of Tree Seal into the bed and headed back down the drive, Nest and Robert pulling the wagon, Ca.s.s and Brianna helping to balance its load. They followed the road out to Spring, then turned down Spring until they reached Mrs. Eberhardt's blacktop drive, which ran back through her lot to her garage at the edge of the park. They were halfway down the drive when Alice Eberhardt appeared, yelling at them for trespa.s.sing on private property. This was nothing new. Mrs. Eberhardt yelled at every kid who cut through her yard, and there were a lot of them. Robert said it was Mrs. Eberhardt's fault for providing them with a shortcut in the first place. He a.s.sured her now, giving her his "don't mess with me" look, that this was an emergency, so the law was on their side. Mrs. Eberhardt, who was a retired insurance adjuster and convinced that all kids were looking to get into trouble, but especially the ones in her yard, shouted back that she knew who Robert was and she was going to speak to his parents. Robert said she should call the house before seven, because his father was still doing nights in jail until the end of the month and his mother would probably go off to visit him after dinner.

They reached the end of the driveway, detoured around the garage to the back of the lot, and set off into the park. The woods began immediately, so they moved to the nearest trail and followed it in.

"You are really asking for it, Robert," Brianna observed, but there was a hint of admiration in her voice.

"Hey, this is how I look at it." Robert c.o.c.ked his head, a savvy bantam rooster. "Each day is a new chance to get into trouble. I don't ever pa.s.s up those kinds of chances. You know why? Because even when I don't go out of the house, I get into trouble. Don't ask me why. It's a gift. So what's the difference if I get into trouble at Mrs. Eberhardt's or at home? It's all relative." He gave Brianna a smirk. "Besides, getting into trouble, is fun. You should try it sometime."

They worked their way deeper into the woods, the heat and the silence growing. The sounds of the neighborhood faded. Gnats flew at them in clouds. "Yuck." Brianna grimaced.

"Just a little additional protein for your diet," Robert cracked, licking at the air with his tongue.

"What are we doing out here?" Ca.s.s asked Nest, plodding along dutifully, one hand balancing the sacks of salt and compost in the swaying wagon.

Nest spit out a bug. "There's a big oak that's not looking too good. I'm going to see what I can do to help it."

"With salt and compost?" Robert was incredulous. "Tree Seal, I can see. But salt and compost? Anyway, why are you doing this? Don't they have people who work for the parks who are supposed to patch up sick trees?"

The trail narrowed and the ground roughened. The wagon began to bounce and creak. Nest steered around a large hole. "I tried getting hold of someone, but they're all off for the Fourth of July weekend," she improvised.

"But how do you know what to do?" Ca.s.s pressed, looking doubtful as well.

"Yeah, have you nursed other sick trees back to health?" Robert asked with his trademark smirk.

"I watched Grandpa once. He showed me." Nest shrugged dismissively and pushed on.

Fortunately, no one asked her for details. They worked their way along the trail through the weeds and scrub, swatting at bugs and brushing aside nettles, hot and miserable in the damp heat. Nest began to feel guilty for forcing her friends to come. She could probably handle this alone, now that she had the wagon and the supplies. Robert could go back to his computer and Ca.s.s and Brianna could go swimming. Besides, what would she do about Pick?

"You don't have to come any farther," she said finally, glancing over her shoulder at them, tugging on the wagon handle. "You can head back. I can manage."

"Forget it!" Robert snapped. "I want to see this sick tree."

Ca.s.s nodded in agreement. "Me, too. Anyway, this is more fun than doing hair." She gave Brianna a wry glance.

"Is it much farther?" Brianna asked, stepping gingerly around a huge thistle.