An explosion rocks the Library of Doom, and one of the workers, a page,
is missing. It will take two Librarians to find and rescue him. But the
heroes are met with unexpected danger . . . the jewel-hungry Watch-Man,
whose mighty weapon, the Topaz of Time, can turn his enemies and all
around him into dust! This gripping mystery is followed up with
discussion questions, writing prompts, and a glossary.