Download or read book The Secrets of Ancient Sea Monsters written by Yang Yang and published by Brown Books Kids. This book was released on 2021-06-22 with total page 240 pages. Available in PDF, EPUB and Kindle. Book excerpt: Explore the vast depths of the underwater world from hundreds of millions of years ago, with The Secrets of Ancient Sea Monsters from PNSO Encyclopedia for Children. Learn about the sea creatures who lurked beneath the ripples and waves while dinosaurs walked and pterosaurs soared above!