By ARTHUR M. WINFIELD

(Edward Stratemeyer)

Uniform Style of Binding. Individual Colored Wrappers.

Being the adventures of lively young fellows at a Military Academy.

Open air sports have always been popular with boys and these stories that mingle adventure with fact will appeal to every manly boy.

THE MYSTERY OF PUTNAM HALL; Or, The School Chums' Strange Discovery.

The particulars of the mystery and the solution of it are very interesting.

CAMPING OUT DAYS AT PUTNAM HALL; Or, The Secret of the Old Mill.

A story full of fun and vigor, telling what the cadets did during the summer encampment, including a visit to the mysterious old mill, said to be haunted. The book has a wealth of fun in it.

THE REBELLION AT PUTNAM HALL; Or, The Rival Runaways.

The boys had good reasons for running away during Captain Putnam's absence. They had plenty of fun and several queer adventures.

THE CHAMPIONS OF PUTNAM HALL; Or, Bound to Win Out.

In this volume the Cadets of Putnam Hall show what they can do in various keen rivalries on the athletic field and elsewhere. There is one victory which leads to a most unlooked-for discovery.

THE CADETS OF PUTNAM HALL; Or, Good Times in School and Out.

The cadets are lively, flesh-and-blood fellows, bound to make friends from the start. There are some keen rivalries, in school and out, and something is told of a remarkable midnight feast and a hazing with an unexpected ending.

THE RIVALS OF PUTNAM HALL; Or, Fun and Sport Afloat and Ash.o.r.e.

It is a lively, rattling, breezy story of school life in this country, written by one who knows all about its pleasures and its perplexities, its glorious excitements, and its chilling disappointments.

GROSSET & DUNLAP, PUBLISHERS, NEW YORK

THE TOM SWIFT SERIES

By VICTOR APPLETON

Uniform Style of Binding. Individual Colored Wrappers. Every Volume Complete in Itself.

Every boy possesses some form of inventive genius. Tom Swift is a bright, ingenious boy and his inventions and adventures make the most interesting kind of reading.

TOM SWIFT AND HIS MOTOR CYCLE TOM SWIFT AND HIS MOTOR BOAT TOM SWIFT AND HIS AIRSHIP TOM SWIFT AND HIS SUBMARINE BOAT TOM SWIFT AND HIS ELECTRIC RUNABOUT TOM SWIFT AND HIS WIRELESS MESSAGE TOM SWIFT AMONG THE DIAMOND MAKERS TOM SWIFT IN THE CAVES OF ICE TOM SWIFT AND HIS SKY RACER TOM SWIFT AND HIS ELECTRIC RIFLE TOM SWIFT IN THE CITY OF GOLD TOM SWIFT AND HIS AIR GLIDER TOM SWIFT IN CAPTIVITY TOM SWIFT AND HIS WIZARD CAMERA TOM SWIFT AND HIS GREAT SEARCHLIGHT TOM SWIFT AND HIS GIANT CANNON TOM SWIFT AND HIS PHOTO TELEPHONE TOM SWIFT AND HIS AERIAL WARSHIP TOM SWIFT AND HIS BIG TUNNEL TOM SWIFT IN THE LAND OF WONDERS TOM SWIFT AND HIS WAR TANK TOM SWIFT AND HIS AIR SCOUT TOM SWIFT AND HIS UNDERSEA SEARCH TOM SWIFT AMONG THE FIRE FIGHTERS TOM SWIFT AND HIS ELECTRIC LOCOMOTIVE TOM SWIFT AND HIS FLYING BOAT TOM SWIFT AND HIS GREAT OIL GUSHER TOM SWIFT AND HIS CHEST OF SECRETS TOM SWIFT AND HIS AIRLINE EXPRESS

GROSSET & DUNLAP, PUBLISHERS, NEW YORK

THE DON St.u.r.dY SERIES

By VICTOR APPLETON

Individual Colored Wrappers and Text Ill.u.s.trations by WALTER S. ROGERS

Every Volume Complete in Itself.

In company with his uncles, one a mighty hunter and the other a noted scientist, Don St.u.r.dy travels far and wide, gaining much useful knowledge and meeting many thrilling adventures.

DON St.u.r.dY ON THE DESERT OF MYSTERY;

An engrossing tale of the Sahara Desert, of encounters with wild animals and crafty Arabs.

DON St.u.r.dY WITH THE BIG SNAKE HUNTERS;

Don's uncle, the hunter, took an order for some of the biggest snakes to be found in South America--to be delivered alive!

DON St.u.r.dY IN THE TOMBS OF GOLD;

A fascinating tale of exploration and adventure in the Valley of Kings in Egypt.

DON St.u.r.dY ACROSS THE NORTH POLE;

A great polar blizzard nearly wrecks the airship of the explorers.

DON St.u.r.dY IN THE LAND OF VOLCANOES;

An absorbing tale of adventures among the volcanoes of Alaska.

DON St.u.r.dY IN THE PORT OF LOST SHIPS;

This story is just full of exciting and fearful experiences on the sea.

DON St.u.r.dY AMONG THE GORILLAS;

A thrilling story of adventure in darkest Africa. Don is carried over a mighty waterfall into the heart of gorilla land.

GROSSET & DUNLAP, Publishers, NEW YORK

THE RADIO BOYS SERIES

(Trademark Registered)

By ALLEN CHAPMAN