num_pages: 24
description: Mighty excavators and powerful dump turks -- young children's favorite earth-moving machines are all here in superb full-color photos. Why does a bulldozer have caterpillar tracks? What machines are used to build roads and tunnels? Simple text and detailed illustrations will satisfy curious preschoolers who are busy learning about their world.
language: English
title: Diggers and Dump Trucks
publisher: Little Simon