Vol 15, No 1. Contents: 10 • Proxima Centauri • novella by Murray Leinster 45 • No Medals • short story by H. L. Gold [as by Leigh Keith] 50 • When the Sun Dies • short story by Nat Schachner [as by Chan Corbett] 64 • Mind of the World • novella by Nat Schachner 99 • Blindness • short story by John W. Campbell, Jr. [as by Don A. Stuart] 110 • The Mightiest Machine (Part 4 of 5) • [Mightiest Machine] • serial by John W. Campbell, Jr. 132 • Cardiaca Vera • short story by Dr. Arch Carr 142 • Telepathic Piracy • short story by Raymond Z. Gallun 153 • Accelerating • [Editorial (Astounding)] • essay by The Editor 154 • Brass Tacks (Astounding Stories, March 1935) • [Brass Tacks] • essay by The Editor 154 •  Letter (Astounding Stories, March 1935) • essay by Milton Kaletsky 155 •  Letter (Astounding Stories, March 1935) • [Letters: John W. Campbell, Jr.] • essay by John W. Campbell, Jr. [as by Karl van Campen] 156 •  Letter (Astounding Stories, March 1935) • essay by Jack Speer 156 •  Letter (Astounding Stories, March 1935) • [Letters: Wilson Tucker] • essay by Wilson Tucker [as by Bob Tucker] 158 •  Letter (Astounding Stories, March 1935) • essay by Lester del Rey (variant of "Twilight" Lit Him Up) [as by Ramon F. Alvarez-del Rey] 159 •  Letter (Astounding Stories, March 1935) • essay by Gerald H. Adams. 【 PREVIOUS ISSUE ← March 1935 → NEXT ISSUE 】