tractor trailers

Describes a tractor trailer and explains how it works and is used; includes a brief history and facts about this form of transportation.

A young boy describes what it would be like if he drove a car hauler.

Maggie and her grandfather enjoy a special trip by following Route 30 from Pittsburgh all of the way to the Pacific Ocean.

Introduces the tractor trailer, allowing the reader to count its parts using the numbers from one to ten, and its wheels using the numbers to eighteen.

An introduction to the big rigs, their history, how they are made and tested, their special features, and their many uses. Includes a glossary of related terms.

A boy imagines what it would be like to drive a big rig across the country.

Color photos and simple text introduce big rigs, describing their size, their parts, and the things they haul.

Discusses eighteen-wheelers, the different types, the work they do, and the people who drive them.

Describes various kinds of tractor-trailer combinations, the biggest trucks on the highway.

Describes various kinds of tractor-trailer combinations, the biggest trucks on the highway.