Description Get to know the everyday heroes in your community! From firefighters to teachers, mail carriers to crossing guards, neighborhood helpers are all around. Young readers learn about the importance of cooperation and the people who lead the way in our communities. Perfect for beginning 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.