Pebble plus. Mighty machines

Simple text and photographs present concrete mixers and the work they do.

Simple text and photographs present cranes and the work they do.

Photographs and simple text written in both English and Spanish describe various motorcycles, their parts, and what they do.

Simple text and photographs describe street sweepers, their parts, and their jobs.

Simple text and photographs describe trains, their parts, and what they do. Presented in English and Spanish.

Simple text and color photos show how bulldozers work and what kinds of jobs they do.

Describes how rescue boats and their crews help people in emergency situations.

Describes ambulances and the work of ambulance drivers as they help people in emergencies.

Text and photographs describe Humvees, their parts, and what these military vehicles do.