The "intelligence" game of secret service cases and problems
By: by Randle McKay and R. J. Gerrard.
Contributors: Gerrard, Ruth Juliet, 1914- joint author.
Publisher: R. M. McBride & company
Published: 1935
Place of publication: New York
Language: eng
Number of pages: 217
Subjects: Secret service.; Puzzles.
Notes: "The correct solutions and a system of scoring will be found in the back" (p. 141-217)
"First edition."