By MARGARET PENROSE

Author of the highly successful "Dorothy Dale Series"

Since the enormous success of our "Motor Boys Series," by Clarence Young, we have been asked to get out a similar series for girls. No one is better equipped to furnish these tales than Mrs. Penrose, who, besides being an able writer, is an expert automobilist.

The Motor Girls or A Mystery of the Road

The Motor Girls on a Tour or Keeping a Strange Promise

The Motor Girls at Lookout Beach or In Quest of the Runaways

The Motor Girls Through New England or Held by the Gypsies

The Motor Girls on Cedar Lake or The Hermit of Fern Island

The Motor Girls on the Coast or The Waif from the Sea

The Motor Girls on Crystal Bay or The Secret of the Red Oar

The Motor Girls on Waters Blue or The Strange Cruise of the Tartar

The Motor Girls at Camp Surprise or The Cave in the Mountain

Send For Our Free Ill.u.s.trated Catalogue

CUPPLES & LEON CO., Publishers, NEW YORK

THE MOTOR BOYS SERIES (Trade Mark, Reg. U. S. Pat. Of.)

By CLARENCE YOUNG

The Motor Boys or Chums Through Thick and Thin

The Motor Boys Overland or A Lone Trip for Fun and Fortune

The Motor Boys in Mexico.

or The Secret of The Buried City

The Motor Boys Across the Plains or The Hermit of Lost Lake

The Motor Boys Afloat or The Stirring Cruise of the Dartaway

The Motor Boys on the Atlantic or The Mystery of the Lighthouse

The Motor Boys in Strange Waters or Lost in a Floating Forest

The Motor Boys on the Pacific or The Young Derelict Hunters

The Motor Boys in the Clouds or A Trip for Fame and Fortune

The Motor Boys Over the Rockies or A Mystery of the Air

The Motor Boys Over the Ocean or A Marvellous Rescue in Mid-Air

The Motor Boys on the Wing or Seeking the Airship Treasure

The Motor Boys After a Fortune or The Hut on Snake Island

The Motor Boys on the Border or Sixty Nuggets of Gold

The Motor Boys Under the Sea or From Airship to Submarine

The Motor Boys on Road and River or Racing to Save a Life

CUPPLES & LEON CO., Publishers, NEW YORK