Ace "Double" format with the author's contributions bound opposite each other. This book was published by the New England Science Fiction Association (NESFA) for the 44th World Science Fiction Convention (Worldcon-1986) held in Atlanta. That year's conference was also known as "ConFederation." Bob Shaw was the toastmaster and Terry Carr was a guest of honour. 1,000 copies of the book were printed with the first 225 copies being numbered, slipcased, specially bound, and autographed.

The Carr side contains five stories while the Shaw side includes nine articles/stories. Dust jacket art by Bob Eggleton.

Table of Contents for Bob Shaw's "Messages Found in an Oxygen Bottle"
* Introduction
* The Bermondsey Triangle Mystery
* Pyrotechnics
* Ad Astra?
* The Man in the Grey Flannel Toga
* Ten Years, But Not Decayed
* BoSh Goes Loco
* The Return of the Backyard Spaceship
* More Canadian Capers
* Up the Conjunction

Table of Contents for Terry Carr's "Between Two Worlds"
* Introduction
* The Chaser
* A Complete Mystery
* The Convention That Couldn't Be Killed
* Virra
* Night of the Living Oldpharts