The case of the phantom frog
By: by E. W. Hildick ; illustrated by Lisl Weil.
Contributors: Weil, Lisl.
Series: A McGurk mystery
Publisher: Macmillan
Published: 1979
Place of publication: New York
Language: eng; ger
Number of pages: 121
Subjects: Mystery and detective stories
Description: The McGurk detectives go undercover to unmask the demon behind a phantom "werefrog" and expose a "supernatural" hoax.