Download or read book My Favorite Machine: Tractors written by Victoria Marcos and published by Xist Publishing. This book was released on 2018-05-01 with total page 35 pages. Available in PDF, EPUB and Kindle. Book excerpt: What is your favorite machine? In My Favorite Machine: Tractors, young readers will learn all about tractors. This book introduces kids to the different types of tractors, how they work and what they do. Sample Text: Tractors are machines that pull trailers. They also pull other machines. Tractors move very slowly. They can move very heavy things.