Award-winning artist David Macaulay introduces readers to his hilarious new creations, Sloth and Sengi, in How Machines Work: Zoo Break! Get your cogs turning w

This is a unique interactive guide to understanding simple machines and mechanisms. Each page introduces you to a key mechanical principle that you put into pra

‘With the call of ‘Hey, you guys! Let’s get to work,’ women and men shoulder drills and picks, board cranes and cement mixers, and set their equipment b

This book provides illustrations and fold-out pictures of machines that are used in a city.

Mobile Working Machines are defined by three characteristics. These machines have a cer-tain task of doing a working process, they are mobile, and they have a s