The K-Factor By: Harry Harrison

Hunter Patrol By: H. Beam Piper and John McGuire

The Vortex Blaster By: E.E. Smith

Null-ABC By: H. Beam Piper

The Repairman By: Harry Harrison

The World Beyond By: Ray Cummings

The Gray Plague By: Lloyd Eshbach

A Spaceship Named McGuire By: Randall Garrett

Beyond Lies the Wub & The Skull By: Philip K. Dick

The Lord of Death and the Queen of Life By: Homer Eon Flint

Omega: The Last Days of the World By: Camille Flammarion

The Eyes Have It & Tony and the Beetles By: Philip K. Dick

The Ambulance Made Two Trips By: Murray Leinster

The Judas Valley By: Robert Silverberg and Randall Garrett

Galaxy Primes By: E. E. Smith

The Secret Places of the Heart By: H. G. Wells

Temple Trouble By: H. Beam Piper

Astounding Stories 02, February 1930 By: Harl Vincent

The Man in the Moone By: Francis Godwin

Nor Iron Bars A Cage.... By: Randall Garrett

Born Again By: Alfred Lawson

Gambler's World & The Yillian Way By: Keith Laumer

Astounding Stories 04, April 1930 By: Anthony Pelcher

Watchbird By: Robert Sheckley

Islands of Space By: John Wood Campbell. Jr.

Time Crime By: H. Beam Piper

Invaders from the Infinite By: John Wood Campbell. Jr.

Astounding Stories 07, July 1930 By: Sewell Peaslee Wright

Astounding Stories 10, October 1930 By: Harl Vincent

Police Your Planet By: Lester del Rey

Raiders of the Universes By: Donald Wandrei

Before Adam By: Jack London

Space Platform By: Murray Leinster

Happy Unfortunate By: Robert Silverberg

Three Science Fiction Stories by Fritz Leiber By: Fritz Leiber

Naudsonce By: H. Beam Piper

Salvage in Space By: Jack Williamson

Airlords of Han By: Philip Francis Nowlan

Sabotage in Space By: Carey Rockwell

Card Trick By: John Berryman

I Was a Teen-Age Secret Weapon By: Richard Sabia

Tom Swift Among the Diamond Makers By: Victor Appleton

Tom Swift and His Wireless Message By: Victor Appleton

Tom Swift and His Sky Racer By: Victor Appleton

Supermind By: Laurence M. Janifer

Unwise Child By: Randall Garrett

Armageddon- 2419 A.D. By: Philip Francis Nowlan

Fire People By: Ray Cummings

Steam Man of the Prairies By: Edward S. Ellis

Honeymoon in Space By: George Griffith

Wandl the Invader By: Ray Cummings

Equation of Doom By: Gerald Vance

Status Quo By: Dallas McCord Reynolds

That Sweet Little Old Lady By: Randall Garrett

Smoky God or a Voyage to the Inner World By: Willis George Emerson

Tarrano the Conqueror By: Ray Cummings

Anything You Can Do! By: Randall Garrett

Columbus of Space By: Garrett P. Serviss

Underground Man By: Gabriel Tarde

Four Science Fiction Stories by G.L.Vandenburg By: G. L. Vandenburg