Cam Jansen - 5 Volume Set Author:David A. Adler includes- 1) Cam Jansen and the Mystery of Flight 54, 2) Cam Jansen and the Ghostly Mystery, 3) Cam Jansen and the Mystery of the Circus Clown, 4) Cam Jansen and the Mystery of the Stolen Corn Popper, 5) Cam Jansen and the Triceratops Pops Mystery. Paperbacks