BOOKS BY GARRETT P. SERVISS.

Other Worlds.

Their Nature, Possibilities, and Habitability in the Light of the Latest Discoveries. Illustrated. 12mo. Cloth, $1.20 net; postage, 11 cents additional.

This book presents the very latest conclusions in regard to the nature and the habitability of the other planets. It is written in popular style, and, at the same time, is scientifically accurate in its statements. It is a convenient handbook of information concerning the solar system, but by no means a dry, scientific treatise on the subject. It might be said to resemble Proctor’s celebrated “Other Worlds than Ours” brought up to date. The last chapter, on “How to Find the Planets,” is unique and should prove very useful.

Pleasures of the Telescope.

A Descriptive Guide for Amateur Astronomers and all Lovers of the Stars. Illustrated with charts of the heavens and with drawings of the planets and charts of the moon. 8vo. Cloth, $1.50.

“This is a book which will give intense pleasure to everyone who uses it and follows its clear instructions.”—Louisville Courier-Journal.

“Every person of culture should possess at least a passing acquaintance with the planets, stars, and constellations. With a little patience and comparatively small effort Mr. Serviss’s new book will enable anyone to obtain this knowledge.”—Los Angeles Herald.