Titulos Originales de los relatos contenidos en esta recopilación:

© E. Mallorquí del Corral, Rosa Moreno, Jaime Piñeiro —1969— Traducción

1 TO THE FUTURE, by Ray Bradbury © 1950 by The Crowell Collier Publishing Co.

2 RIVER OF RICHET, by Gerald Kersh © 1958 by The Curtis Publishing Co.

3 LEVITATION, by Joseph Payne Breman © 1958 by Joseph Payne Breman

4 MISS WINTERS AND THE WIND, by Christine Noble Govan © 1946 by Creative Age. Press, Inc.

5 VIEW FROM THE TERRACE, by Mike Marmer © 1960 by Cosmopolitan Magazine

6 THE MAN WITH COPPER FINGERS, by Dorothy L. Sayers © 1956 by Anthony Fleming

7 TWETY FRIENDS OF WILLIAM SHAW, by Raymond E. Banks © 1960 by Raymond E. Banks

8 THE OTHER HANGMAN, by Carter Dickson © 1940 by William Morrow and Co. Inc.

9 NO BATH FOR THE BROWNS, by Margot Bennet © 1944 by Margot Bennet

10 THE UNINVITED, by Michael Gilbert © 1960 by Popular Publications Inc.

11 DUNE ROLLER, by Julian May © 1951 by Julian May Dikty

12 SOMETHING SHORT OF MURDER, by Henry Siesar © 1957 by Henry Siesar. Originalli appeared in Alfred Hitchcock's Mystery Magazine

13 GOLDEN GIRL, by Ellis Peters © 1964 by United Newspapers Magazine Corporation. Reprinted from This Week Magazine

14 THE BOY WHO PREDICTED EARTH-QUAKES, by Margaret St. Clair © 1950 by Margaret St. Clair. Originalli appeared in Mac Lean's Magazine

15 WALKING ALONE, by Miriam Allen de Ford © 1957 by Davis Publications Inc.

16 FOR ALL THE RUDE PEOPLE, by Jack Richtie © 1961 by Alfred Hitchcock Mystery Magazine

17 THE DOG DIED FIRST, by Bruno Fischer © 1949 by Bruno Fischer

18 ROOM WITH A VIEW, by Hal Dresner © 1962 by H.S.D. Publications, Inc.

19 LEMMINGS, by Richard Mathenson © 1957 by Mercury Press, Inc.

20 WHITEGODDESS, by Idris Seabright © 1956 by Margaret St. Clair. Originalli appeared in the Magazine of Fantasv and Science Fiction

21 THE SUBSTANCE OF MARTYRS, by William Sambrot © 1963 by William Sambrot

22 CALL FOR HELP, by Robert Arthur © 1964 by Robert Arthur. Originalli appeared in Mike Shayne Mystery Magazine

23 SORRY, WRONG NUMBER, by Allan Ullman and Lucille Fletcher © 1948 by Lucille Fletcher.

24 DON'T LOOKBEHIND YOU, by Frederic Brown © 1947 by Davis Publications Inc. (formerly Mercury Publications Inc.) Originalli appeared in Ellery Quen’s Mystery Magazine