Vol 38, No 4. Contents: 5 • Our Monthly Contest • [Editorial (Astounding)] • essay by John W. Campbell, Jr. [as by The Editor] 6 • Metamorphosite • novella by Eric Frank Russell 58 • The Analytical Laboratory: August 1946 (Astounding, December 1946) • [The Analytical Laboratory] • essay by The Editor 58 • The Analytical Laboratory: September 1946 (Astounding, December 1946) • [The Analytical Laboratory] • essay by The Editor 59 • The Impossible Pirate • short story by George O. Smith 73 • For the Public • novelette by Bernard I. Kahn 98 • In Times to Come (Astounding, December 1946) • [In Times to Come (Astounding)] • essay by The Editor 99 • Bikini A and B • essay by John W. Campbell, Jr. 124 • Time Enough • short story by Henry Kuttner and C. L. Moore [as by Lewis Padgett] 142 • Hand of the Gods • [Clane] • novelette by A. E. van Vogt 170 • Brass Tacks (Astounding, December 1946) • [Brass Tacks] • essay by The Editor 171 •  Letter (Astounding, December 1946) • [Letters: Willy Ley] • essay by Willy Ley 176 •  Letter (Astounding, December 1946) • essay by Jack Speer