Includes the extremely creepy story "Who Goes There" which was the basis for three movie versions of "The Thing." Contents: 1 Introduction: The Three Careers of John W. Campbell (1976) essay by Lester del Rey 7 The Last Evolution (1975) short fiction by John W. Campbell, Jr. [as by John W. Campbell] 24 Twilight [Twilight 1] (1934) novelette by John W. Campbell, Jr. [as by John W. Campbell] 44 The Machine [The Machine 1] (1935) short story by John W. Campbell, Jr. [as by John W. Campbell] 61 The Invaders [The Machine 2] (1935) short story by John W. Campbell, Jr. [as by John W. Campbell] 79 Rebellion [The Machine 3] (1935) novelette by John W. Campbell, Jr. [as by John W. Campbell] 107 Blindness (1935) short story by John W. Campbell, Jr. [as by John W. Campbell] 122 Elimination (1936) short story by John W. Campbell, Jr. [as by John W. Campbell] 139 Forgetfulness (1937) novelette by John W. Campbell, Jr. [as by John W. Campbell] 164 Out of Night [Sarn] (1937) novelette by John W. Campbell, Jr. [as by John W. Campbell] 201 Cloak of Aesir [Sarn] (1939) novelette by John W. Campbell, Jr. [as by John W. Campbell] 246 Who Goes There? [Who Goes There?] (1966) novella by John W. Campbell, Jr. [as by John W. Campbell] 299 Space for Industry [Editorial (Astounding)] (1966) essay by John W. Campbell, Jr. [as by John W. Campbell] 304 Postscriptum (1976) essay by Mrs. John W. Campbell