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Lift-the-Flap Questions and Answers: How Does it Work?

Daynes, Katie

How things around us work, from the internet to medicine, money, and more.

This excellent addition to the ever popular Questions & Answers series lifts the flap on all kinds of gadgets, systems and ideas. It answers questions such as: How does electricity get into our walls? Why do waves go up and down? and Where does money come from? Perfect for every inquisitive child.

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