Vol 26, No 6. Contents: 6 • Invitation • [Editorial (Astounding)] • essay by John W. Campbell, Jr. [as by The Editor] 9 • Magic City • [Meg (Nelson S. Bond) • 3] • novelette by Nelson S. Bond 37 • Castaway • short story by Robert Moore Williams 48 • Trouble on Tantalus • novelette by P. Schuyler Miller 67 • In Times to Come (Astounding, February 1941) • [In Times to Come (Astounding)] • essay by The Editor 67 • The Analytical Laboratory: December 1940 (Astounding, February 1941) • [The Analytical Laboratory] • essay by The Editor 68 • "—And He Built a Crooked House"? • novelette by Robert A. Heinlein 84 • Completely Automatic • short story by Theodore Sturgeon 98 • The Klystron • essay by Stanley R. Short 107 • The Best-Laid Scheme • short story by L. Sprague de Camp 116 • Gypped! • essay by John W. Campbell, Jr. [as by Arthur McCann] 117 • Sixth Column (Part 2 of 3) • serial by Robert A. Heinlein [as by Anson MacDonald] 156 • Brass Tacks (Astounding, February 1941) • [Brass Tacks] • essay by The Editor 160 • Science Discussions (Astounding, February 1941) • essay by The Editor 160 • Letters. 【 PREVIOUS ISSUE ← February 1941 → NEXT ISSUE 】