* Introduction by Donald Wollheim and Terry Carr
* Street of Dreams, Feet of Clay by Robert Sheckley
* Backtracked by Burt Filer
* Kyrie by Poul Anderson
* Going Down Smooth by Robert Silverberg
* The Worm That Flies by Brian W. Aldiss
* Masks by Damon Knight
* Time Considered As a Helix of Semi-precious Stones by Samuel R. Delany
* Hemeac by E.G. Von Wald
* The Cloudbuilders by Colin Kapp
* The Grand Carcass by R.A. Lafferty
* A Visit to Cleveland General by Sydney Van Scyoc
* The Selchey Kids by Laurence Yep
* Welcome to the Monkey House by Kurt Vonnegut, Jr.
* The Dance of the Changer and the Three by Terry Carr
* Sword Game by H.H. Hollis
* Total Environment by Brian W. Aldiss
* The Square Root of Brain by Fritz Leiber
* Starsong by Fred Saberhagen
* Fear Hound by Katherine MacLean
* Introduction by Donald Wollheim and Terry Carr
* Street of Dreams, Feet of Clay by Robert Sheckley
* Backtracked by Burt Filer
* Kyrie by Poul Anderson
* Going Down Smooth by Robert Silverberg
* The Worm That Flies by Brian W. Aldiss
* Masks by Damon Knight
* Time Considered As a Helix of Semi-precious Stones by Samuel R. Delany
* Hemeac by E.G. Von Wald
* The Cloudbuilders by Colin Kapp
* The Grand Carcass by R.A. Lafferty
* A Visit to Cleveland General by Sydney Van Scyoc
* The Selchey Kids by Laurence Yep
* Welcome to the Monkey House by Kurt Vonnegut, Jr.
* The Dance of the Changer and the Three by Terry Carr
* Sword Game by H.H. Hollis
* Total Environment by Brian W. Aldiss
* The Square Root of Brain by Fritz Leiber
* Starsong by Fred Saberhagen
* Fear Hound by Katherine MacLean