Young Cam Jansen and the Library Mystery,Amazon.com: Young Cam Jansen and the Library Mystery: 9780142302026: Adler, David A., Natti, Susanna: Books,Amazon.com: Young Cam Jansen and the Library Mystery: 9780670892815: Adler, David A., Natti, Susanna: Books,Young Cam Jansen,Cam Jansen 6 Book Set (Mystery of the UFO, Television Dog, Babe Ruth, Stolen Diamonds, Dinosaur Bones, Gold Coins): David A. Adler: 9780545216760: