iii: Abschnitt: Copyright Acknowledgments
vii: Kommentar: Foreword (R. Scott Latham)
ix: Kommentar: Introduction (Groff Conklin)
3: John Thomas's Cube (John Leimert)
10: Hyperpilosity (Lyon Sprague de Camp)
29: And Be Merry... (Katherine MacLean)
45: The Bees from Borneo (Will H. Gray)
55: The Rag Thing (David Grinnell)
58: The Conqueror (Mark Clifton)
65: Never Underestimate . . . (Theodore Sturgeon)
78: The Doorbell (M. D. David H. Keller)
88: A Subway Named Mobius (A. J. Deutsch)
100: Backfire (Ross Rocklynne)
117: The Box (James Blish)
132: Zeritsky's Law (Ann Griffith)
137: The Fourth Dynasty (R. R. Winterbotham)
146: The Color Out of Space (H. P. Lovecraft)
167: The Head Hunters (Ralph Williams)
178: The Star Dummy (Anthony Boucher)
189: Catch That Martian (Damon Knight)
199: Shipshape Home (Richard Matheson)
214: Homo Sol (Isaac Asimov)
230: Alexander the Bait (William Tenn)
241: Kaleidoscope (Ray Bradbury)
249: "Nothing Happens on the Moon" (Paul Ernst)
263: Trigger Tide (Norman Menasco)
273: Plague (Murray Leinster)
302: Winner Lose All (Jack Vance)
313: Test Piece (Eric Frank Russell)
327: Environment (Chester S. Geier)
341: High Threshold (Alan E. Nourse)
350: Spectator Sport (John D. MacDonald)
355: Recruiting Station (Alfred E. van Vogt)
420: A Stone and a Spear (Raymond F. Jones)
436: What You Need (Lewis Padgett)
449: The Choice (Wayland Hilton-Young)
450: The War Against the Moon (André Maurois)
464: Pleasant Dreams (Ralph Robin)
472: Manners of the Age (Horace B. Fyfe)
484: The Weapon (Fredric Brown)
486: The Scarlet Plague (Jack London)
524: Heritage (Robert Abernathy)
545: History Lesson (Arthur C. Clarke)
551: Instinct (Lester del Rey)
2: Kommentar: Wem gehört der Raum? (Bert Koeppen)
5: Telepathie [englisch: Extra Space Perception] (R. R. Winterbotham als Rus Winterbotham) [Ralph Anders]
42: Essay: Raketen (Herbert Brenner)
69: Die Waffe (Arthur O. R. Pors)
70: Abschnitt: Vorschau auf Magazin 21
71: Abschnitt: Science-Fiction-Bücherei
74: Essay: Rund um die Himmelskugel (Harry F. Heide)
78: Azazel 3000 (Hellmut W. Hofmann als Helmut W. Hofmann)
95: Abschnitt: Beurteilung Magazin 20