Description In Combines, early fluent readers will learn how combines work to harvest crops, including different parts of the machine, how they've changed agriculture, and new technology being implemented. Beautiful, crisp, full-color photographs complement the text...Combines features infographics, sidebars, reading tips for teachers and parents, a table of contents, a glossary, and an index. Children can learn more about combines using our safe search engine that provides relevant, age-appropriate websites...Combines is part of Jump!'s How Does It Work?: Farm Tech series.