Vol 16, No. 5. Contents: 7 • Pointed Paragraphs • [Editorial (Astounding)] • essay by The Editor 8 • Smothered Seas • novelette by Ralph Milne Farley and Stanley G. Weinbaum 30 • Moon Crystals • short story by J. Harvey Haggard 40 • The Isotope Men • novella by Nat Schachner 76 • Laboratory Co-Operator-3 • short story by B. L. Bowman 86 • Blue Magic (Part 3 of 4) • serial by Charles Willard Diffin 106 • Stranger from Fomalhaut • [The Flying Engineers • 4] • short story by Clifton B. Kruse 116 • Strange City • [Strange City • 1] • novella by Nelson Tremaine [as by Warner Van Lorne] 153 • Brass Tacks (Astounding Stories, January 1936) • [Brass Tacks] • essay by The Editor 153 •  Letter (Astounding Stories, January 1936) • [Letters: Wilson Tucker] • essay by Wilson Tucker [as by Bob Tucker] 155 •  Letters. 【 PREVIOUS ISSUE ← January 1936 → NEXT ISSUE 】