National Geographic Readers Prehistoric Sea Monsters (Level 2), , Disney Publishing Group, National Geographic Kids,Children’s / Teenage general interest: Dinosaurs and prehistoric world,Children’s / Teenage general interest: Nature, animals, the natural world, whales;extinction;big fish;sharks;prey;predators;paleontologist;paleontology;fun fact books;marine mammals;ocean animals;mammals;reptiles;dinosaurs;elementary books;dino books for kids;ocean books for kids;books for girls;books for boys;books for kids 7-9;megalodon;beginner readers;dinosaur books;kids books ages 6-8;ocean;non fiction books for kids age 5-8;beginning reader books;non fiction books for kids age 7-9;early reader books;childrens books by age 5-8;2nd grade reading books,, National Geographic Readers, United States, en-UShttps://www.penguinrandomhouse.comwhales;extinction;big fish;sharks;prey;predators;paleontologist;paleontology;fun fact books;marine mammals;ocean animals;mammals;reptiles;dinosaurs;elementary books;dino books for kids;ocean books for kids;books for girls;books for boys;books for kids 7-9;megalodon;beginner readers;dinosaur books;kids books ages 6-8;ocean;non fiction books for kids age 5-8;beginning reader books;non fiction books for kids age 7-9;early reader books;childrens books by age 5-8;2nd grade reading books, [BLURB],[CITY],,books, ebooks, biblet, Book2look