The happy Hollisters and the monster mystery.
By: Illustrated by Helen S. Hamilton.
Contributors: Hamilton, Helen S., illus.
Edition: [1st ed.]
Publisher: Doubleday
Published: 1969
Place of publication: Garden City, N.Y
Language: eng
Number of pages: 183
Subjects: Smuggling -- Juvenile fiction.; Mystery and detective stories.
Description: The efforts of the Hollister children and their friends to solve the mystery of the monster in the neighborhood leads them to capture a team of animal smugglers.