Michael Capuzzo is a person who writes books and articles. Just like how you learned to read and write in school, Michael Capuzzo learned how to write really well. He uses his writing to tell stories about things that have happened in real life.
You know how you love to hear bedtime stories about brave knights and princesses? Well, Michael Capuzzo writes real-life stories about brave people, like firefighters and doctors, who help others. He writes about all sorts of things, like how a person's life was saved in a really dangerous situation, or how scientists are working hard to solve big problems, like how to cure diseases.
When Michael Capuzzo writes these stories, he wants people to feel like they are right there with the heroes he is writing about. He wants people to understand how important it is to care for each other and to help people in need.
So, just like how you enjoy listening to stories about brave knights and princesses, many people enjoy reading Michael Capuzzo's stories about real-life heroes who help people.