While the Clock Ticked (Hardy Boys Mystery #11)

174 pp. Book 11 in the Hardy Boys Mystery Series. "The Hardy Boys, Frank and Joe Hardy, are fictional teenage brothers and amateur detectives who appear in various mystery series for children and teens. The characters were created by Edward Stratemeyer, the founder of the Stratemeyer Syndicate, a book-packaging firm, and the books have been written by many different ghostwriters over the years. The books are published under the collective pseudonym Franklin W. Dixon."