Science & Engineering

The Risk Profession

Donald E. Westlake

An Annotated Checklist of Nebraskan Bats

J. Knox Jones

A Matter of Proportion

Anne Walker

The Man from Time

Frank Belknap Long

The Unthinking Destroyer

Rog Phillips

The Copper-Clad World

Harl Vincent

Development of the Digestive Canal of the American Alligator

A. M. Reese

Opportunities in Engineering

Charles M. Horton

The Man Who Played to Lose

Laurence M. Janifer

A Review of the Frogs of the Hyla bistincta Group

William Edward Duellman

Combat

Mack Reynolds

Lonesome Hearts

R. R. Winterbotham

Abandoned

Jules Verne

Nor Iron Bars a Cage....

Randall Garrett

Postmark Ganymede

Robert Silverberg

Toy Shop

Harry Harrison

Marvels of Pond-life
Or, A Year's Microscopic Recreations Among the Polyps, Infusoria, Rotifers, Water-bears and Polyzoa

Henry James Slack

A New Subspecies of Wood Rat (Neotoma mexicana) from Colorado

Robert B. Finley

The Defenders

Philip K. Dick

A World is Born

Leigh Brackett

A New Subspecies of Pocket Mouse from Kansas

E. Raymond Hall

The Beast of Space

F. E. Hardart

Hex

Laurence M. Janifer

High Dragon Bump

Don Thompson

Laboratory Manual of Glass-Blowing

Francis C. Frary

The Man the Martians Made

Frank Belknap Long