From anemones to zooplankton—500 awesome ocean facts for kids ages 8 to 12 Do you know a kid who's captivated by what goes on beneath the ocean's surface? This amazing entry into ocean books for kids is packed with hundreds of incredible facts for hours of underwater exploration. Pages of full-color pictures feature life in and around the sea including fish, dolphins, and shipwrecks! Dive deeper than other ocean books for kids with ocean trivia such as: Sea cucumbers can eject some of their organs to defend themselves and then regrow them within a few weeks. The Challenger Deep is the deepest place on Earth, almost 7 miles below the surface of the Pacific Ocean. Blue whales are the largest animals that have ever lived—their tongue weighs as much as an entire elephant! Kids will light up as they discover fascinating fishes and deep-sea giants with the best in ocean books for kids.