Short story. Illustrated by Dillon. Finn O'Donnevan: pen-name used by Robert Sheckley.

Serial: conclusion. Illustrated by Wood.

Science Department article.

Volume 15, Number 1. Published by Galaxy Publishing Corporation, 421 Hudson St., New York. Editor, H.L. Gold; publisher, Robert M. Guinn; science editor, Willy Ley; art director, W.I. Van der Poel; production manager, John J. De Mario; cover artist, Pederson; illustrators, Bowman, Dick Francis, Wood, Dillon and Gaughan.

Volume 16, Number 5. Published by Galaxy Publishing Corporation, 421 Hudson St., New York. Editor, H.L. Gold; publisher, Robert M. Guinn; science editor, Willy Ley; art director, W.I. Van der Poel; production manager, John J. De Mario; assistant to the editor, Sondra Gresen; cover artist, Dember; illustrators, Wood, Dick Francis and Dillon.

Novella. Illustrated by Wood. Also appeared under the title "The Ugly Little Boy."

Novelet. Illustrated by Dillon. Available as an audio book on LibriVox.

Novelet. Illustrated by Wood.

Volume LXII, Number 3. Published by Street & Smith Publications, 575 Madison Ave., New York. Editor, John W. Campbell, Jr.; assistant editor, Kay Tarrant; advertising manager, Walter J. McBride; art director, H.A. Staab; cover artist, van Dongen; illustrators, Freas, Schoenherr and van Dongen.

Serial: part 1 of 2 parts. Illustrated by van Dongen. Expanded and published in 1962 as a novel entitled [i]The Makeshift Rocket[/i] (reissued in 1969 and 1978). Published in German in 1968 as [i]Raumschiff Modell Eigenbau[/i].