Vol 7, No 3. Contents: 296 • The Copper-Clad World • novella by Harl Vincent 344 • Devil Crystals of Arret • novelette by Hal K. Wells 360 • Brood of the Dark Moon (Part 2 of 4) • [Walter Harkness • 2] • serial by Charles Willard Diffin 390 • The Sargasso of Space • short story by Edmond Hamilton 406 • Two-Way Time • essay by uncredited 407 • The God in the Box • [John Hanson] • novelette by Sewell Peaslee Wright 422 • The Readers' Corner (Astounding Stories, September 1931) • [The Readers' Corner] • essay by The Editor 424 •  Letter (Astounding Stories, September 1931) • essay by Jack Darrow 426 •  Letter (Astounding Stories, September 1931) • essay by Oswald Train 426 •  Letter (Astounding Stories, September 1931) • essay by J. Wasso, Jr. 428 •  Letter (Astounding Stories, September 1931) • essay by Marianne Ferguson. 【 PREVIOUS ISSUE ← September 1931 → NEXT ISSUE 】