Katie Kawa 
Tractors / Tractores [PDF ebook] 

Tractors are very helpful farm machines. They pull heavy tools, get dirt ready for seeds, and can even cut grass. In this bilingual book, English language learners will discover these and many other tasks that tractors help farmers accomplish. Through accessible text presented in both English and standard Latin American Spanish, they will learn how tractors work and why they are such important machines. Colorful photographs transport readers to fields and farms, showing these impressive machines in great detail.