# Astounding v23n06 1939-08

Astounding Science Fiction, August 1939 volume 23 number 6 v23n06 1939-08 Table of Contents 6 • Invention and Imagination • \[Editorial\] • essay by John W. Campbell, Jr. \[Editor\] 9 • The Luck of Ignatz • novelette by Lester del Rey 32 • The Analytical Laboratory: June 1939 • \[The Analytical Laboratory\] • essay by The Editor 32 • In Times to Come • \[In Times to Come\] • essay by The Editor 33 • Heavy Planet • short story by Milton A. Rothman \[as by Lee Gregor\] 41 • General Swamp, C.I.C. (Part 1 of 2) • serial by L. Ron Hubbard \[as by Frederick Engelhardt\] 70 • Isotope 235 • essay by John W. Campbell, Jr. \[as by Arthur McCann\] 72 • Space War • essay by Willy Ley 83 • Life-Line • \[Future History\] • short story by Robert A. Heinlein 96 • Brass Tacks and Science Discussions • \[Brass Tacks\] • essay by The Editor 98-100 • Letters 101 • Stowaway • short story by Nelson S. Bond 112 • There's Just as Good Fish-- • essay by L. Sprague de Camp 113 • The Blue Giraffe • novelette by L. Sprague de Camp 131 • An Ultimatum from Mars • short story by Ray Cummings 139 • Pleasure Trove • novelette by P. Schuyler Miller

- Kind: Magazine
- Series: Astounding
- Year: 1939
- Archive: [Internet Archive](https://archive.org/details/Astounding_v23n06_1939-08_2)
- Licence or status: none stated by the archive
- Who can read it: Teens profiles and older (placed by Invisible Network from what the archive says)

[Read it](https://invisiblenetwork.ai/print/ia/Astounding_v23n06_1939-08_2/read)