Vol 29, No 5. Contents: 6 • Diode to Pentagrid • [Editorial (Astounding)] • essay by John W. Campbell, Jr. [as by The Editor] 9 • Secret Unattainable • novella by A. E. van Vogt 27 • Brimstone Bill • [Bullard] • novelette by Malcolm Jameson 38 • The Contraband Cow • short story by L. Sprague de Camp 46 • Penance Cruise • novella by David V. Reed 71 • Space Can • short story by L. Ron Hubbard 78 • Stars Also Have Rings • essay by R. S. Richardson 80 • Collision Orbit • [Seetee] • novelette by Jack Williamson [as by Will Stewart] 108 • In Times to Come (Astounding, July 1942) • [In Times to Come (Astounding)] • essay by The Editor 108 • The Analytical Laboratory: May 1942 (Astounding, July 1942) • [The Analytical Laboratory] • essay by The Editor 109 • "The Strange Case of the Missing Hero" • [Probability Zero] • short story by Frank Holby 109 • Probability Zero! (Astounding, July 1942) • essay by Ray Bradbury and R. Creighton Buck and Randall Hale and Frank Holby and John R. Pierce and Selden G. Thomas and Wilson Tucker [as by Ray Bradbury and R. Creighton Buck and Randall Hale and Frank Holby and John Pierce and Selden G. Thomas and Bob Tucker] 110 • De Gustibus • [Probability Zero] • short story by Randall Hale 111 • That Mysterious Bomb Raid • [Probability Zero] • short story by Wilson Tucker [as by Bob Tucker] 112 • About Quarrels, About the Past • [Probability Zero] • short story by John R. Pierce [as by John Pierce, M.S.] 112 • The Qwerty of Hrothgar • [Probability Zero] • short story by R. Creighton Buck 113 • Eat, Drink and Be Wary • [Probability Zero] • short story by Ray Bradbury 114 • The Floater • [Probability Zero] • short story by Selden G. Thomas 115 • Brass Tacks (Astounding, July 1942) • [Brass Tacks] • essay by The Editor 116 •  Letters 118 • Tools • novelette by Clifford D. Simak. 【 PREVIOUS ISSUE ← July 1942 → NEXT ISSUE 】