How Things Work Encyclopedia

From how we see to how we hear, from roller coasters to computer networks, explore the inner workings of the world around us.

• Discover how a digital camera takes a photo, what keeps a plane in the sky, why fireworks go bang, and much, much more.
• Incredible photographs and illustrations reveal each subject in amazing detail.
• Bite-sized facts and quiz questions make finding out fun.
• Supports curriculum teaching.