Detective Jeffrey Bones solves crimes?but this time it?s personal. He?s at a science museum when his blue Tyrannosaurus rex goes missing. Could someone have stolen it? Bones must find his T-rex! Hopefully there?s something in Bones?s detective bag that can help him solve this roar of a mystery!

The Cam Jansen books are perfect for young readers who are making the transition to chapter books, and Cam is a spunky young heroine whom readers have loved for over two decades. Now the first ten books in the series have updated covers that bring new life to these perennial best-sellers. Old fans and new readers will love Cam's cool, modern look!

No mystery is too great for super-sleuth Cam Jansen and her amazing photographic memory! Mysteries follow super-sleuth Cam Jansen everywhere she goes...even to the museum. Cam and her class are on a fild trip at the museum when Cam discovers that some bones are missing from a dinosaur skeleton. Can Cam find the bones and catch the thief? The Cam Jansen books are perfect for young readers who are making the transition to chapter books, and Cam is a spunky young heroine whom readers have loved for over two decades.

The Aldens are excited to with the Dino World exhibit at the Natural History Museum! But when they see a giant shadow moving in the museum and the T. rex bones go missing, they're spooked! Can the Boxcar Children solve the mystery and find the bones before the exhibit opens?

Cam, ten-year-old with a photographic memory, investigates missing bones from a dinosaur skeleton in a museum. Who could be taking them and why?

When Ken and his twin sister Chris visit their friend Marty in Utah, they can't wait to go hunting for fossil remains of a dinosaur. With the help of a old map, can they locate the mysterious dinosaur graveyard? An exciting adventure-mystery! "A mysterious old map, a strange night prowler, and a night spent in a cave help to make this an exciting mystery for the 8 to 12 year old." -- Hartford Courant "In addition to a good story line, the book contains much basic information and scientific background." -- The Pittsburgh Press