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Myths and Marvels of Astronomy By: Richard A. Proctor

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The Starvation Treatment of Diabetes By: Lewis Webb Hill

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Alien Offer By: Al Sevcik

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The Naturalist on the River Amazons By: Henry Walter Bates

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The Best Made Plans By: Everett B. Cole

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Ten From Infinity By: Paul W. Fairman

Essays Towards a Theory of Knowledge By: Alexander Philip

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Lost in Translation By: Laurence M. Janifer

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Birds of the Rockies By: Leander S. Keyser

The Woman Beautiful or, The Art of Beauty Culture By: Helen Follett Jameson

Bear Trap By: Alan Edward Nourse

Every Girl's Book By: George Frank Butler

Project Trinity 1945-1946 By: Steve Rohrer

The Untouchable By: Stephen A. Kallis

Valerius Terminus; of the interpretation of nature By: Francis Bacon

Fifty Years of Railway Life in England, Scotland and Ireland By: Joseph Tatlow

Biographies of Distinguished Scientific Men First Series By: François Arago

It's a Small Solar System By: Allan Howard

Breaking Point By: James E. Gunn

The Western World Picturesque Sketches of Nature and Natural History in North and South America By: William Henry Giles Kingston

First Book in Physiology and Hygiene By: John Harvey Kellogg

Belly Laugh By: Randall Garrett

The Gay Rebellion By: Robert W. Chambers

In Search of the Unknown By: Robert W. Chambers

Weak on Square Roots By: Russell Burton