Henry Carter Hull

These huge machines travel on the ocean and have many different uses. A ship has a huge engine and sometimes uses sails. Join the captain of a cargo ship, a supertanker, or a cruise ship, and sail the seas!

Excavators are used to dig holes and lift heavy things. They use tracks to move along dirt roads. Learn more about these machines in Excavators, part of the Monster Machines series.

Did you know a bulldozer's blade can be as heavy as an elephant? A bulldozer breaks apart rocks or dirt and uses its blade to clear things out of the way. Students will learn about the different parts of a bulldozer and the various places a bulldozer works.

Pop a wheelie! Motorcycles are exciting vehicles used for many purposes from traveling to racing. Young readers will learn about the different parts of a motorcycle and the various kinds of motorcycles.

Airplanes come in all shapes and sizes, from small to jumbo. Some airplanes can fly as fast as 2,000 miles per hour. Take a first look at the parts of an airplane, and hold on tight for take off!

Why do police cars patrol the streets? Police cars help police officers fight crime and stop people from driving dangerously. Get a look into these cars and the equipment police use inside them.

There's smoke coming from a building and sirens blaring in the distance. A fire truck is coming to the rescue! Tour a fire truck and all the different equipment from hoses to ladders that firefighters use to put out fires.

All aboard! There are all different kinds of trains that accomplish various tasks. Speed along with a bullet train, go underground with a subway train, or hop aboard a freight train as it transports goods.

Did you know that some big trucks have 18 wheels? All different kinds of trucks travel the roads daily. Young readers will learn about pickup trucks, big rigs, and monster trucks in this simple introduction.

An illustrated introduction to bulldozers, looking at the parts of the big trucks and the types of work they do.