In this level 2 reader, young readers will explore the underwater world of lovable manatees. Follow these gentle giants, sometimes called "sea cows," through their marshy habitats, learn how manatees raise their young, and discover the threats to their environment. Beautiful photos and carefully leveled text make this book perfect for reading aloud or for independent reading. National Geographic supports K-12 educators with ELA Common Core Resources. Visit www.natgeoed.org/commoncore for more information.