Protective Mimicry
Algis Budrys
The Last Martian
Fredric Brown
The Veldt
Ray Bradbury
There Will Come Soft Rains
The Martian Chronicles (1)
Surface Tension
James Blish
Pantropy (2)
Hostess
Isaac Asimov
Marionettes, Inc.
Universe
Robert A. Heinlein
Requiem
D. D. Harriman (1)
Knock
A Logic Named Joe
Murray Leinster
First Contact
Nightfall
Isaac Asimov & Robert Silverberg
Time and Time Again
H. Beam Piper
Child's Play
William Tenn
Mars Is Heaven!