The Affair of the Brains By: Anthony Gilmore

The Genus Pinus By: George Russell Shaw

Fragments of science, V. 1-2 By: John Tyndall

Airlords of Han By: Philip Francis Nowlan

Ten British Mathematicians By: Alexander Macfarlane

An Elementary Course in Synthetic Projective Geometry By: Derrick Norman Lehmer

The Children's Book of Stars By: G. E. Mitton

In Darkest England and the Way Out By: William Booth

More Letters of Charles Darwin By: Charles Darwin

Wild Flowers An Aid to Knowledge of Our Wild Flowers By: Neltje Blanchan

Handbook of the Trees of New England By: Lorin Low Dame

The Ten Pleasures of Marriage and the Second Part, The Confession of the New Married Couple By: A. Marsh

Aether and Gravitation By: William George Hooper

The Yillian Way By: Keith Laumer

The Hammer of Thor By: Charles Willard Diffin

Three Thousand Years of Mental Healing By: George Barton Cutten

Half-hours with the Telescope Being a Popular Guide to the Use of the Telescope as a Means of Amusement and Instruction. By: Richard A. Proctor

Invasion By: Murray Leinster

Young Woman's Guide to Excellence By: William A Alcott

Food Remedies Facts About Foods And Their Medicinal Uses By: Florence Daniel

McIlvaine's Star By: August William Derleth

Conestoga Wagons in Braddock's Campaign, 1755 By: Donald H. Berkebile

Explanation of Terms Used in Entomology By: John Bernhard Smith

How to Succeed By: Orison Swett Marden

And All the Earth a Grave By: C. C. MacApp

The formation of vegetable mould through the action of worms, with observations on their habits By: Charles Darwin

Bread Overhead By: Fritz Leiber

Sabotage in Space By: Carey Rockwell

Essentials of Diseases of the Skin Including the Syphilodermata Arranged in the Form of Questions and Answers Prepared Especially for Students of Medicine By: Henry Weightman Stelwagon

Evidence as to Man's Place in Nature By: Thomas Henry Huxley

Advanced Chemistry By: Jack G. Huekels

Card Trick By: John Berryman