tractor trailers

"Big rigs race down highways carrying hundreds of packages. How do they drive, turn, and slow down while carrying so much? Readers will discover the science behind how big rigs drive"--Provided by publisher.

Simple text and color photographs depict the physical features and functions of tractor trailer tucks. Includes a photo glossary.

"Carefully leveled text and fresh, vibrant photos engage young readers in learning about how big rigs function. Age-appropriate critical thinking questions and a photo glossary help build nonfiction learning skills"--Publisher.

Simple text and full color photographs introduce young readers to big rigs.

Explores the different features of big rigs.

Text and photographs describe tractor trailers and how they are used.

Describes different kinds of tractor trailers, or big rigs, and the loads they haul.

Simple text and illustrations introduce tractor-trailers.

Describes the parts and functions of tractor-trailer trucks.

Examines the different types of tractor-trailers, and highlights how they work. Includes a glossary, illustrated diagrams, and color photographs.