National Geographic Primary Readers pair magnificent National Geographic photographs with engaging text by skilled authors to help your child learn to read. Developed by education experts, this series of books for beginner readers is spread across four levels: Early Reader, Becoming Fluent, Becoming Independent and Independent Reader. With their beautiful white fur and powerful presence, polar bears rule the Arctic. In this National Geographic Kids Level 2 Reader, children will learn how these majestic giants care for their adorable cubs and why they're threatened by global warming. Beautiful photos, fascinating facts and carefully levelled text make this book perfect for reading aloud as children become more fluent in their reading. show more