Our world has many heroes. These are people who are making a difference in their community. Some of these changemakers are young activists. Every year, a young hero wins the International Children's Peace Prize. Let's see how they're making a difference! This nonfiction book includes important text features such as a glossary, index, and table of contents to engage students in reading as they develop their comprehension, vocabulary, and literacy skills. The Reader's Guide and culminating activity direct students back to the text as they develop their higher-order thinking skills. Check It Out! provides resources for additional reading and learning. With TIME For Kids content, this book aligns with national and state standards and will keep grade 4 students engaged in learning.