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David A. Adler
American author of nearly 200 books for children and young adults, most notably the Cam Jansen mystery series, the "Picture Book of..." series, and several acclaimed works about the Holocaust for young readers.
Cam Jansen and the Mystery of the Dinosaur Bones
Cam Jansen has a photographic memory, which comes in handy when she spots something wrong at the museum. Dinosaur bones are missing from a display, and Cam is determined to find out who took them and why. Join Cam as she investigates this puzzling museum mystery.