Search for: Title Author Subject Series that begins with: 10 20 30 50 100 per page < Previous 10 Listings Next 10 Listings > Browse Listings # 39 clues. Cahill files 3 - Audio Books 1 - Book 2 39 clues. Cahills vs. Vespers 2 39 clues. Cahills vs. Vespers: audiobook [Audio Book on CD] 1 39 clues. Doublecross 3 39 clues. Doublecross: audiobook [Audio Books] 2 39 clues (Graphic novel) 1 The 39 Clues, Infinity Ring, and Spirit Animals Powerpack [Ebook] 1 39 clues (Scholastic Audiobooks) [Audio Book on CD] 2 39 clues. Superspecial 1 39 Clues: The Maze of Bones: A Graphic Novel (39 Clues Graphic Novel #1) [Ebook] 1 10 20 30 50 100 per page < Previous 10 Listings Next 10 Listings >