Despite printing works by authors associated with the New Wave movement it also published stories by authors who came to prominence during the Golden Age of science fiction.
Illustrations by Leo and Diane Dillon accompany each short story.
- ”Foreword 1 – The Second Revolution” by Isaac Asimov.
- ”Foreword 2 – Harlan and I” by Isaac Asimov
- ”Thirty-Two Soothsayers” (introduction) by Harlan Ellison.
- ”Evensong” by Lester del Rey. A story based on a religious theme.
- ”Flies” by Robert Silverberg.
- ”The Day After the Day the Martians Came” by Frederik Pohl
- ”Riders of the Purple Wage” by Philip José Farmer won the Hugo Award for best novella.
- ”The Malley System” by Miriam Allen deFord
- ”A Toy for Juliette” by Robert Bloch
- ”The Prowler in the City at the Edge of the World” is Harlan Ellison own contribution to this anthology.
- ”The Night That All Time Broke Out” by Brian W. Aldiss
- ”The Man Who Went to the Moon — Twice” by Howard Rodman
- ”Faith of Our Fathers” by Philip K. Dick. It was reprinted in The Collected Stories of Philip K. Dick Volume V: The Little Black Box (aka We Can Remember it For You Wholesale)
- ”The Jigsaw Man” by Larry Niven, a writer best known for hard sf work such as Ringworld (1970).
- ”Gonna Roll the Bones” by Fritz Leiber won both the Hugo and Nebula awards for Best Novelette.
- ”Lord Randy, My Son” by Joe L. Hensley
- ”Eutopia” by Poul Anderson
- ”Incident in Moderan” and The Escaping by David R. Bunch
- ”The Doll-House” by James Cross (pseudonym)
- ”Sex and/or Mr. Morrison” by Carol Emshwiller
- ”Shall the Dust Praise Thee?” by Damon Knight
- ”If All Men Were Brothers, Would You Let One Marry Your Sister?” by Theodore Sturgeon.
- What Happened to Auguste Clarot? by Larry Eisenberg
- Ersatz by Henry Slesar
- Go, Go, Go, Said the Bird by Sonya Dorman
- The Happy Breed by John Sladek
- ”Encounter with a Hick” by Jonathan Brand
- ”From the Government Printing Office” by Kris Neville
- ”Land of the Great Horses” by R. A. Lafferty
- The Recognition by J. G. Ballard
- ”Judas” by John Brunner
- ”Test to Destruction” by Keith Laumer
- ”Carcinoma Angels” by Norman Spinrad.
- ”Auto-da-Fé” by Roger Zelazny
- ”Aye, and Gomorrah” by Samuel R Delany won the Nebula Award for best short story, 1967.
- Ellison, Harlan (Ed, 1967) Dangerous Visions
- Ellison, Harlan (1969) A Boy and His Dog
- Ellison, Harlan (Ed, 1972) Again, Dangerous Visions