machinery

Photographs and text describes various machines that work on a farm including tractors and combines, corn harvesters and manure spreaders, and cultivators.

Photographs and text describe various machines that are used in emergencies including ambulances and firetrucks, police vehicles, air rescue vehicles, lifeboats and underwater emergency equipment, and space rescue machines.

Explains how the airplanes and major pieces of equipment in an airport work and interact.

Demonstrates a variety of techniques used to move heavy objects.

Simple text invites readers to spot the differences in machine-themed picture puzzles.

Text and photographs introduce cranes, truck cranes, and tower cranes and how they life and raise loads high into the air.

Text and illustrations show machines that are used in fire fighting and other emergencies.

Uses a question-and-answer format as well as quizzes and other activities to describe machines, present their history, explain how they operate, and discuss how they change the world.

Introduces a wide variety of machines and how they work, from the screwdriver to the space shuttle and the lever to the laser. Includes activities.

Detailed diagrams, colorful illustrations, and simple text teach young readers what cranes are used for and how they work.