How do animals survive in extremely cold or hot environments? How have they adapted over time to make life easier? Read this book to find out! Readers will travel to extreme environments to meet tough animals, such as desertdwelling lizards, furry polar bears, and pressureresistant blobfish. Students will learn about different animal adaptations, cold and hotblooded animals, camouflage, water retention, bioluminescence, and more. Stunning photography introduces individual animals, and a handy glossary helps to expand readers' vocabulary. For more information on the daily lives of animals, check out other titles in the Animals at Work series!