The 39 Clues: The Black Book of Buried Secrets
Scholastic Inc | ISBN 9780545285049 Hardcover
192 Pages | 5.29" x 7.71" | Ages 8 to 12
- Bios of the branch leadership
- Interviews with the branch's top agents
- The location of the branch's clues
- The complete branch history
- The branch's preferred codes
- Maps of the branch strongholds
- Security protocols (the branch's spycraft)