The Fascinating Ocean Book for Kids: 500 Incredible Facts! Bethanie Hestermann and Josh Hestermann, is filled with 500 facts, and full-color pictures that make learning about ocean life, from anemones to zooplankton, fun for kids 8 to 12 years old. Explore life in and around the sea including fish, dolphins, and shipwrecks. This book takes a much deeper dive into ocean trivia, than other books do. Did you know that sea cucumbers can eject some of their organs to defend themselves, and then regrow them again within a few weeks? Or, that the Challenger Deep is the deepest place on Earth, almost 7 miles below the surface of the Pacific Ocean? Hours of fun can be had for kids that love exploring the ocean surface. Hardcover, 214 pages. Ages 8 to 12 years old.