Waldo
Subtitle: genius in orbit
By: Robert A. Heinlein
Series: Avon -- T-261
Publisher: Avon Publications
Published: 1958
Place of publication: New York
Language: eng
Number of pages: 191
Subjects: American Science fiction
Work titles: Waldo, and Magic, inc
Notes: Date taken from: R. Reginald. Science fiction and fantasy literature : a checklist 1700-1974. Gale Research Co., 1979.

Currey, L. W.  Science fiction and fantasy authors, p. 235

Reginald, R.  Science fiction and fantasy literature, p. 249
Table of contents: title: Waldo.; title: Magic, inc.