From food and water to medicine and electricity, communities rely on many resources to keep people healthy and safe. In this eye-opening series, young readers discover some of the workers who help provide these important resources. This book celebrates workers who help people travel on airplanes, buses, and other vehicles. It includes a table of contents, an On the Job special feature, quiz questions, a glossary, additional resources, and an index. AGES: 6 to 8
