Learn all about these large and majestic ocean-dwelling mammals, from humpback whales to blue whales to belugas! This early reader from National Geographic Kids is full of information about whales from around the world and covers where they live, what they eat, how they stay safe, and more. Perfect for beginning and young readers, National Geographic Pre-readers include simple, expert-vetted text and large, engaging photos on every page. A vocabulary tree at the beginning of the book introduces kids to key words in concept groups, helping kids make connections between words. Plus, a wrap-up activity gives kids a chance to use what they've learned, while expanding their understanding of the world.