Explore arctic environments, polar landscapes, animals, and people in and around the North and South Poles. Featuring polar bears, icebergs, reindeer, penguins, sea life, and more, Frozen Worlds allows young readers to travel to Earth's coldest places. Perfect for 3-5 year olds learning to read, Level 1 titles contain short, simple sentences with an emphasis on frequently used words. Stunning photographic images with labels provide visual clues to introduce and reinforce vocabulary. Series Overview: Trusted by parents, teachers, and librarians, and loved by kids, DK's leveled reading series is now revised and updated. With new jackets and brand-new nonfiction narrative content on the topics kids love, each book is written and reviewed by literacy experts and contains a glossary and index, making them the perfect choice for helping develop strong reading habits for kids ages 3-11.