Title: Gigantes marinos de la epoca de los dinosaurios (Sea Giants of Dinosaur Time)
Description: Take a trip through dinosaur time to meet these sea giants face-to-face: The Archelon was similar to a turtle, but its shell was made of crossed rib bone covered in rubbery skin! The Mososaurs had huge pointy jaws and grew to be fifty feet long!
Subjects: Juvenile Nonfiction, Nonfiction, Science, Dinosaurs, Dinosaurs, juvenile literature