ix: Kommentar: Preface (Judith Merril)
xi: Kommentar: Introduction (Fletcher Pratt)
3: The Fittest (Katherine MacLean)
16: The House Dutiful (William Tenn)
35: Pride (Malcolm Jameson)
51: Unwelcome Tenant (Roger Dee)
56: The Glass Eye (Eric Frank Russell)
65: Underground Movement (Kris Neville)
79: A Gnome There Was (Lewis Padgett)
105: Solar Plexus (James Blish)
117: Our Fair City (Robert A. Heinlein)
135: The Fly (Arthur Porges)
139: Afterthought (Horace B. Fyfe)
147: The Compleat Werewolf (Anthony Boucher)
198: The Wabbler (Murray Leinster)
207: The Man Who Sold Rope to the Gnoles (Idris Seabright)
212: What Have I Done? (Mark Clifton)
230: The Angel Was a Yankee (Stephen Vincent Benét)
241: Helen O'Loy (Lester del Rey)
252: Socrates (John Christopher)
266: Good-Bye, Ilha! (Laurence Manning)
276: The Foxholes of Mars (Fritz Leiber)
285: The Perfect Host (Theodore Sturgeon)
331: Abschnitt: Bibliography (Judith Merril)