Vol 15, No 4. Contents: 6 • Alas, All Thinking! • novelette by Harry Bates 33 • Murray's Light • short story by Donald Wandrei 42 • The Plane Compass • short story by Harl Vincent 54 • The Invaders • [The Machine • 2] • short story by John W. Campbell, Jr. [as by Don A. Stuart] 68 • Twelve Eighty-Seven (Part 2 of 5) • serial by John Taine 90 • Blue Haze on Pluto • short story by Raymond Z. Gallun 98 • Electrolytic Onslaught • short story by John Duthie 110 • The Orb of Probability • novelette by Nat Schachner 135 • Fog • short story by H. L. Gold [as by C. C. Campbell] 146 • Into the Depths • short story by David R. Daniels 152 • 9 Complete Stories! • [Editorial (Astounding)] • essay by The Editor 153 • Brass Tacks (Astounding Stories, June 1935) • [Brass Tacks] • essay by The Editor 154 •  Letter (Astounding Stories, June 1935) • essay by Corwin F. Stickney [as by Corwin Stickney, Jr.] 155 •  Letter (Astounding Stories, June 1935) • essay by Oliver Saari 157 •  Letter (Astounding Stories, June 1935) • essay by John L. Chapman [as by John Chapman (I)]. 【 PREVIOUS ISSUE ← June 1935 → NEXT ISSUE 】