Product Overview
Author: Dixon, Franklin W.
Age Range: 8 - 12
Grade Level: 3 - 7
Hardcover: 192 pages
Publisher: Grosset & Dunlap
Â
Frank and Joe race against time to retrieve a scientist’s top-secret invention before thieves get their hands on it. But the young detectives soon discover that they are involved in a mystery far greater in scope than just safeguarding the invention. When Joe is kidnapped, this incident starts Frank of on a chase that could end disastrously for him and his pals.
