Vol 46, No 4. Contents: 4 • Figures Don't Lie • [Editorial (Astounding)] • essay by John W. Campbell, Jr. [as by The Editor] 6 • Bindlestiff • [Cities in Flight] • novelette by James Blish 42 • The Curfew Tolls • short story by J. T. McIntosh 51 • Compromise • [Bureau of Slick Tricks • 3] • novelette by H. B. Fyfe 65 • In Times to Come (Astounding, December 1950) • [In Times to Come (Astounding)] • essay by The Editor 66 • Foundling • short story by Donald Baker Moore 72 • A Subway Named Mobius • short story by A. J. Deutsch 86 • The Analytical Laboratory: September 1950 (Astounding, December 1950) • [The Analytical Laboratory] • essay by The Editor 87 • Varieties of Culture • essay by Arthur Jean Cox [as by Arthur J. Cox] 98 • Book Reviews (Astounding, December 1950) • essay by P. Schuyler Miller 100 • The Hand of Zei (Part 3 of 4) • [Viagens Interplanetarias • 3] • serial by L. Sprague de Camp 152 • Brass Tacks & Letter.