Title: Case of the Phantom Frog
Subtitle: a McGurk mystery
First published: 1979
Description: The McGurk detectives go undercover to unmask the demon behind a phantom "werefrog" and expose a "supernatural" hoax.
Subjects: Children's stories, Mystery and detective stories, Detective and mystery stories, Cerebral Angiography, Brain, Blood-vessels, Radiography
LC classification: PZ7.H5463 Cauf