A young boy discovers a clue that points to an incredible treasure...When Miss Eells gives young Anthony a job at the library, he thinks he'll just be dusting shelves and filing books. Instead, he discovers a hidden clue leading to the treasure of eccentric millionaire Alpheus Winterborn. Miss Eells thinks the clues are a practical joke left by the odd, old Winterborn before he died. But then why do things suddenly start getting so strange? And terrifying?This first book in John Bellairs' Anthony Monday Mystery series will have young readers on the edge of their seats, desperate to race ahead the story's final surprise.Books by John Bellairs: The Doom of the Haunted OperaThe Figure In the ShadowsThe Ghost in the MirrorThe House With a Clock In Its WallsThe Letter, the Witch, and the RingThe Mansion in the MistThe Specter From the Magician's MuseumThe Treasure of Alpheus WinterbornThe Vengeance of the Witch-Finder