Volume 2, Number 6. Published by World Editions, Inc., 105 West 40th St., New York. Editor-in-Chief, Vera Cerutti; editor, H.L. Gold; art director; W.I. Van der Poel; advertising manager, Gene Martinat; circulation manager, Frederick Allardt; cover artist, Don Sibley; illustrators, Don Sibley, Harry Rosenbaum, Thorn and Ed Emshwiler.

Volume 3, Number 1. Published by Galaxy Publishing Corp., 421 Hudson Street, New York. Editor-in-chief, Vera Cerutti; editor, H.L. Gold; assistant editor, Evylyn Paig; art director, W.I. Van der Poel; advertising manager, John Anderson; cover artist, Richard Arbib; illustrators, Don Sibley, David Stone, Ed Emshwiller, L. Woromay, Thorn and Norris.

Volume 3, Number 2. Published by Galaxy Publishing Corp., 421 Hudson St., New York. Editor-in-chief, Vera Cerutti; editor, H.L. Gold; assistant editor, Evylyn Paig; art director, W.I. Van der Poel; advertising manager, John Anderson; illustrators, Emsh, Jean Fawcette, Thorne, Martin Schneider. Davod Stone and Don Sibley.

Volume 5, Number 6. Published by Galaxy Publishing Corp., 421 Hudson St., New York. Publisher, Robert Guinn; editor, H.L. Gold; science editor, Willy Ley; assistant editor, Evelyn Paige; art director, W.I. Van der Poel; production manager, Joan De Mario; cover artist, Camerage; illustrators, Ashman and Ed Emshwiler.

Thought-variant novel. Illustrations by Elliott Dold. Clyde Crane Campbell: pen-name used by H.L. Gold. Appeared in the anthology: [i]Gosh! Wow! (Sense of Wonder) Science Fiction[/i], edited by Forrest J. Ackerman, published in 1982.