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].

Novelette. Illustrated by Freas.

Novelette. Illustrated by Schoenherr.

Short story. Illustrated by van Dongen. Part of the Federation of Humanity Series. Published in anthology [i]Interstellar Patrol II: The Federation of Humanity[/i].

Short story. Illustrated by van Dongen. Published as part of the anthology [i]In Iron Years[/i] in 1980 and short story collection [i]Isaac Asimov's Magical Worlds of Fantasy #7: Magical Wishes[/i] edited by Isaac Asimov, Martin H. Greenberg and Charles G. Waugh in 1986.

Article. Published in 1962 in the collection [i]Face and Fancy[/i].

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.