books.google.com - Youngsters will smell the burning rubber as they discover the unique features of powerful vehicles, learning how they race, spin, bounce, jump, and sometimes even crash....https://books.google.com/books/about/Dirt_bikes.html?id=s_Hhg7zsiI4C&utm_source=gb-gplus-shareDirt bikes
Matt Doeden received a BA in journalism from Mankato State University. After graduating, he worked as a sports writer for the Mankato newspaper, and then as an editor with a small children's publisher called Capstone Press. In 2003, he became a freelance writer and editor. He has written and edited hundreds of books on numerous topics including cars, sports, airplanes, geography, science, and math.