The Pedestrian; and A Sound of Thunder by Ray Bradbury; The Moon is Green; and Yesterday House by Fritz Leiber; Lost Memory by Peter Phillips; What Have I Done by Mark Clifton; Fast Falls the Eventide by Eric Frank Russell; The Business, As Usual by Mack Reynolds; Hobson's Choice by Alfred Bester; The Snowball Effect by Katherine MacLean; Delay in Transit by F. L. Wallace; Game for Blondes by John D. MacDonald; The Altar at Midnight by Cyril Kornbluth; Command Performance by Walter M. Miller, Jr.; The Impacted Man; and The Cost of Living by Robert Sheckley; What's it Like Out There by Edmond Hamilton; Sail On! Sail On by Philip Jose Farmer; and The Martian Way by Isaac Asimov. Contents: 9 · 1952 Introduction · Martin H. Greenberg · in 13 · The Pedestrian · Ray Bradbury · ss The Reporter Aug 7 ’51; F&SF Feb ’52 19 · The Moon Is Green · Fritz Leiber · ss Galaxy Apr ’52 35 · Lost Memory · Peter Phillips · ss Galaxy May ’52 48 · What Have I Done? · Mark Clifton · ss Astounding May ’52 67 · Fast Falls the Eventide · Eric Frank Russell · ss Astounding May ’52 85 · The Business, as Usual · Mack Reynolds · vi F&SF Jun ’52 90 · A Sound of Thunder · Ray Bradbury · ss Colliers Jun 28 ’52 103 · Hobson’s Choice · Alfred Bester · ss F&SF Aug ’52 119 · Yesterday House · Fritz Leiber · nv Galaxy Aug ’52 146 · The Snowball Effect · Katherine MacLean · ss Galaxy Sep ’52 160 · Delay in Transit · Floyd L. Wallace · na Galaxy Sep ’52 206 · Game for Blondes · John D. MacDonald · ss Galaxy Oct ’52 217 · The Altar at Midnight · C. M. Kornbluth · ss Galaxy Nov ’52 225 · Command Performance · Walter M. Miller, Jr. · ss Galaxy Nov ’52 243 · The Martian Way · Isaac Asimov · na Galaxy Nov ’52 289 · The Impacted Man · Robert Sheckley · ss Astounding Dec ’52 308 · What’s It Like Out There? · Edmond Hamilton · nv Thrilling Wonder Stories Dec ’52 331 · Sail On! Sail On! · Philip José Farmer · ss Startling Stories Dec ’52 342 · Cost of Living · Robert Sheckley · ss Galaxy Dec ’52