Hit the road and start seeing all the unique cars, trucks, planes, trains, tractors, and motorcycles out there! In the Early Transportation Encyclopedias, young readers will find information about how their favorite vehicles run, explore how they have changed over time, and discover the coolest new inventions on the road and in the sky. They'll learn interesting facts about each form of transportation, the roles they play, and the relevant specs to further their depth of knowledge. Aligned to Common Core Standards and correlated to state standards. Early Encyclopedias is an imprint of Abdo Reference, a division of ABDO.