Vol 28, No 2. Contents: 6 • Documents for Tomorrow • [Editorial (Astounding)] • essay by John W. Campbell, Jr. [as by The Editor] 9 • By His Bootstraps • novella by Robert A. Heinlein [as by Anson MacDonald] 48 • In Times to Come (Astounding, October 1941) • [In Times to Come (Astounding)] • essay by The Editor 48 • The Analytical Laboratory: August 1941 (Astounding, October 1941) • [The Analytical Laboratory] • essay by The Editor 49 • Not Final! • [Jovians • 1] • short story by Isaac Asimov 62 • The Sea King's Armored Division (Part 2 of 2) • essay by L. Sprague de Camp 80 • Manic Perverse • short story by Winston K. Marks 86 • Two Percent Inspiration • short story by Theodore Sturgeon 102 • Common Sense • novella by Robert A. Heinlein [as by Robert Heinlein] 156 • Brass Tacks (Astounding, October 1941) • [Brass Tacks] • essay by The Editor 156 •  Letters. 【 PREVIOUS ISSUE ← October 1941 → NEXT ISSUE 】