"Images accompany information about plesiosaurs. The combination of high-interest subject matter and light text is intended for students in grades 2 through 7"--Provided by publisher.
"Tom and Jamie can't believe their luck when they find a secret entrance to a prehistoric world filled with dinosaurs. Loaded with snorkeling gear, the boys decide to explore the cove itself. But there are some not-so-friendly creatures lurking, including a hungry plesiosaur that wants a snack.
Presents information on the prehistoric creature, plesiosaurs, and describes its size and physical characteristics, where it lived, a list of its different species and what scientists believe their daily life was like.