BY PROF. EDWIN J. HOUSTON

THE NORTH POLE SERIES. By Prof. Edwin J, Houston. This is an entirely new series, which opens a new field in Juvenile Literature. Dr. Houston has spent a lifetime in teaching boys the principles of physical and scientific phenomena and knows how to talk and write for them in a way that is most attractive. In the reading of these stories the most accurate scientific information will be absorbed.

THE SEARCH FOR THE NORTH POLE
THE DISCOVERY OF THE NORTH POLE
CAST AWAY AT THE NORTH POLE

Handsomely bound. The volumes, 12mo. in size, are bound in
Extra English Cloth, and are attractively stamped in colors and
full gold titles. Sold separately or in sets, boxed.
Price $1.00 per volume. Postpaid

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THE JOHN C. WINSTON CO., Publishers
WINSTON BUILDING PHILADELPHIA


Harry Castlemon's Books for Boys

NEW POPULAR EDITION This series comprises thirty titles of the best stories ever written by Harry Castlemon. But few of these titles have ever been published in low-priced editions, many of them are copyright titles which will not be found in any other publisher's list. We now offer them in this new low-priced edition. The books are printed on an excellent quality of paper, and have an entirely new and handsome cover design, with new style colored inlay on front cover, and stamped in ink. 12mo. Cloth. 30 titles.
A Sailor in Spite of Himself
Buried Treasure
Carl, the Trailer
Floating Treasure, The
Frank, the Young Naturalist
Frank Among the Rancheros
Frank Before Vicksburg
Frank in the Mountains
Frank in the Woods
Frank on a Gunboat
Frank on Don Carlos' Rancho
Frank on the Lower Mississippi
Frank on the Prairie
Haunted Mine, The
Houseboat Boys, The
Mail Carrier
Marcy, The Refugee
Missing Pocketbook, The
Mystery of the Lost River Canyon, The
Oscar in Africa
Rebellion in Dixie
Rod and Gun Club
Rodney, the Overseer
Rodney, the Partisan
Steel Horse
Ten-Ton Cutter, The
Tom Newcomb
Two Ways of Becoming a Hunter
White Beaver, The
Young Game Warden, The

THE VOLUMES IN THIS SERIES COMPRISE SOME OF
THE BEST WRITINGS OF THIS POPULAR AUTHOR

Price per volume, .75 cents