Each set is packed in a handsome box 12mo. Cloth Sold only in sets. Price per set, $3.60. Postpaid * * * * * RECOMMENDED BY REAR ADMIRAL MELVILLE, WHO COMMANDED THREE EXPEDITIONS TO THE ARCTIC REGIONS ----THE---- 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 * * * * * THE JOHN C. WINSTON CO., _Publishers_ WINSTON BUILDING PHILADELPHIA * * * * * Transcriber's note: Obvious punctuation errors were corrected. Page 156, repeated word "were" removed (were both great personages) Page 197, "though" changed to "through" (yourself through the grating) Page 237, "Wardle" changed to "Winkle" (Winkle, to maintain his) Page 248, "X.III" changed to "XIII." Page 276, "on" changed to "of" (There's two of you)