New Popular Science Series

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