By Sarah K. Bolton, author of "Poor Boys who became Famous," etc, Short biographical sketches of Galileo, Newton, Linnæus, Cuvier, Humboldt, Audubon, Agassiz, Darwin, Buckland, and others.

THE FRENCH REVOLUTION.
Pictures of the Reign of Terror.

By Lydia Hoyt Farmer, author of "Boys' Book of Famous Rulers," etc.

To those who have not the leisure to make an exhaustive study of this remarkable epoch in the world's history, this volume offers a rapid and clear résumé of its most important events and thrilling scenes.

ROLF AND HIS FRIENDS.

By J A K, author of "Birchwood," "Fitch Club," etc.

A healthful, stimulating story, showing the advantage that every boy must necessarily gain from association with intelligent, progressive young people, no matter what their color or condition in life may be. The incidents are fresh and natural, the conversations bright and piquant, and the interest well sustained, while incidentally there is a valuable leaven of information.

CECIL'S KNIGHT.

By E. B. Hollis, author of "Cecil's Cousins," etc. A story of no impossible knight, but of a very real, natural, and manly boy, who, through perseverance, good sense, and genuine courage, fought his way from poverty to success.

"We recommend 'Cecil's Knight' as an excellent book to put into a boy's hand.—" Beacon.