While the Clock Ticked (The Hardy Boys Mystery Stories # 11)

iv, 213 pp. Book 11 in the Hardy Boys Mystery Series. Original beige tweed hardcover binding, orange pictorial endpapers. Frontispiece & endpapers by J. Clemens Gretta. "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."