This book is the official companion to the film of the same name, but you don't need the movie to enjoy it! Combining National Geographic's tradition of scientifically accurate and powerful storytelling with compelling imagery, this book is an unforgettable journey into a prehistoric world.

This book educates the reader about the myriad of prehistoric creatures that once inhabited the inland sea of North America. Massive marine reptiles, fish, sharks and more are explained and illustrated in great detail.

This book also tells the stories of pioneering paleontologists -Marsh, Cope, and the infamous Sternberg family -who were the original discoverers of some of the most groundbreaking fossil finds.

Sea Monsters contains beautiful illustrations, photos, and 3-D artwork. Many of the archival photos in the book had never before been published. 3-D glasses included.