Cam Jansen series #3/Puffin Chapter Books.

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 sto

Digging in the badlands of Montana, workers from the Burpee Museum of Natural History have spent weeks hunting for fossils. On their last day of prospecting the

"Bubbles over with the joy of scientific discovery as he shares his natural enthusiasm for the blend of sleuthing and imagination."—Publishers Weekly, starred

Stan and Jan Berenstain invite readers to help solve a mystery in this beloved Beginner Book. When a dinosaur bone goes missing from the Bear Museum, it’s up