December 1951, Howard Browne, Ziff-Davis Publishing Company, 164pp, Pulp. Contents: 3 • The Observatory (Amazing Stories, December 1951) • [Editorial (Amazing Stories)] • essay by Howard Browne 3 • Cartoon: "It's a caterpillar, boys!" • interior artwork by Germanetti 6 • Somewhere I'll Find You! • novella by Milton Lesser [as by Stephen Marlowe ] 6 • Somewhere I'll Find You! • interior artwork by Lawrence 54 • What Happened at Eniwetok? • essay by E. Bruce Yaches 54 • Man: Genius or - ? • essay by Jon Barry 55 • Look Out Below! • essay by Frank Cain 56 • The Little Creeps • novelette by Walter M. Miller, Jr. 56 • The Little Creeps • interior artwork by Leo Summers [as by L. R. Summers ] 85 • Is He Kidding? • essay by June Lurie 85 • Entropic Mystery • essay by Dale Lord 86 • Return Engagement • shortstory by H. B. Hickey 86 • Return Engagement • interior artwork by Ralph Castenir 95 • Rocket Bomb • essay by Clint Avers 96 • The Hatchetman • novelette by Fredric Brown and Mack Reynolds 96 • The Hatchetman • interior artwork by Ed Valigursky 124 • Palomar Begins to Perk! • essay by Walt Crain 125 • This Can Kill You! • essay by Glenn Otis 126 • Checkmate for Aradjo • novelette by Rog Phillips 126 • Checkmate for Aradjo • interior artwork by Virgil Finlay and Leo Summers [as by Virgil Finlay and Leo Ramon Summers ] 142 • Two Men in a Hurry • essay by Charles Recour 143 • Step into Space! • essay by Leo Lewin 144 • The Club House (Amazing Stories, December 1951) • essay by Rog Phillips 149 • Build Your House of Dust! • essay by Ralph Cox 149 • Man-Made Meteor! • essay by Tom Lynch 150 • Science Fiction Bookcase (Amazing Stories, December 1951) • essay by Sam Merwin, Jr. [as by Sam Merwin ] 150 • Review: Far Boundaries by August Derleth • book review by Sam Merwin, Jr. [as by Sam Merwin ] 151 • Review: The Weapon Shops of Isher by A. E. van Vogt • book review by Sam Merwin, Jr. [as by Sam Merwin ] 151 • Review: Seetee Ship by Will Stewart • book review by Sam Merwin, Jr. [as by Sam Merwin ] 151 • Review: Rogue Queen by L. Sprague de Camp • book review by Sam Merwin, Jr. [as by Sam Merwin ] 152 • The Reader's Forum (Amazing Stories, December 1951) • essay by Rog Phillips 156 • No Monument So Proud! • shortfiction by Salem Lane