You Wouldn't Want to Live Without Sleep! (You Wouldn't Want to Live Without…)

It's hard to imagine what life would be like today without the discoveries and natural processes that we take for granted, from the humble vegetable to the big bang theory. Combining history with science, this series explains how natural phenomena have transformed our world.

Sleep: Leonardo da Vinci slept only two hours a day by taking 20-minute power naps every 4 hours.

THE FEATURES

. Full-color cartoon-style illustrations that make the books fun and attractive to reluctant readers

. A simple timeline providing an easily understood history of the subject

. Top Tips offer helpful advice on what you should or shouldn't do in a tricky situation

.How It Works callouts explain the science behind the technology

. You Can Do It! callouts describe a simple, safe experiment, or an action you can take to help make the world a better place

. A helpful glossary and index in each book