The money machine.
By: Illustrated by George Porter.
Contributors: Porter, George, illus.
Publisher: Viking Press
Published: 1969
Place of publication: New York
Language: eng
Number of pages: 220
Subjects: Mystery and detective stories.; Counterfeits and counterfeiting -- Fiction.
Description: When a Secret service agent arrives to investigate their harmless practical joke, two teen-age boys are put on the trail of a gang of counterfeiters.