Sharp teeth and pointy fins-look out! It's a shark! Learn all about these fascinating predators in this jam-packed Level 3 Fact Reader from National Geographic Kids, now with more than 200 books in the series from Pre-reader to Level 3 in the series. From great whites and sawfish to hammerheads and tasseled wobbegongs, sharks rule Earth's oceans. Discover all about their incredible hunting skills, amazing teeth, awesome adaptations, and more in this accessible collection of 100 weird-but-true facts and engaging text. Learn about angel sharks that can kill prey in one-tenth of a second, Greenland sharks that can live for more than 400 years, lantern sharks that glow in the dark, and more wild stuff about one of the world's most feared, fascinating, and vital-to-the eocosystem's creatures. National Geographic Readers' combination of expert-vetted text, brilliant images, and a fun approach to reading have proved to be a winning formula with kids, parents, and educators.