Vol 40, No 3. Contents: 5 • Atomic Energy for Peace • [Editorial (Astounding)] • essay by John W. Campbell, Jr. [as by The Editor] 7 • Children of the Lens (Part 1 of 4) • [Lensman • 6] • serial by Edward E. Smith 63 • The Expensive Slaves • [Ole Doc Methuselah] • short story by L. Ron Hubbard [as by René Lafayette] 76 • Thunder and Roses • novelette by Theodore Sturgeon 96 • In Times to Come (Astounding, November 1947) • [In Times to Come (Astounding)] • essay by The Editor 97 • Stuck in the Mud • essay by John R. Pierce [as by J. J. Coupling] 112 • Boomerang • short story by Eric Tinde 123 • Brass Tacks (Astounding, November 1947) • [Brass Tacks] • essay by The Editor 126 •  Letter (Astounding, November 1947) • essay by P. Schuyler Miller 127 •  Letter (Astounding, November 1947) • essay by Chad Oliver 128 •  Letter (Astounding, November 1947) • [Letters: Robert A. Heinlein] • essay by Robert A. Heinlein [as by Bob] 129 • Margin for Error • novelette by Henry Kuttner and C. L. Moore [as by Lewis Padgett] 162 • The Analytical Laboratory: July 1947 (Astounding, November 1947) • [The Analytical Laboratory] • essay by The Editor. 【 PREVIOUS ISSUE ← November 1947 → NEXT ISSUE 】