What is your favorite machine? In My Favorite Machine: Tow Trucks, young readers will learn all about tow trucks. This book introduces kids to the different types of tow trucks, how they work and what they do. Sample Text: Tow trucks move vehicles that don't work. Some tow trucks carry them on a bed. Some tow trucks pull the vehicles behind them. | My Favorite Machine by Victoria Marcos, Hardcover | Indigo Chapters