From cyber worlds to nano-technology, discover an array of always-changing technologies. High-interest, humorous illustrations and bite-sized facts will keep young readers engaged.

"Original edition copyright 2015 by Hungry Tomato Ltd."--Title page verso.

Just think, every single thing you do is handled by an amazing computer inside your head—your brilliant brain! And it's helped by your body's internet—your nervous system. Join the Stickmen to discover how spidery nerve cells send messages to the brain in seconds, how quick reflexes keep you safe, and how different parts of your brain are in charge of different thoughts and actions. Learn how all the parts of your body work together with the brain to help you to see, hear, smell, and make memories. Fun illustrations and fact-filled text reveal the mysteries of your brain and what it is that makes you so smart!

Ba-boom, ba-boom, ba-boom . . . your incredible heart beats more than once every second, no matter what you're doing. And your lungs pull in up to 145 gallons of oxygen each day. So how are your heart and lungs connected, and what do they do? Join the Stickmen as they explore your body to find out how your heart pumps blood, how oxygen travels through your body, and how your body fights off germs. You'll discover why you need two trillion red blood cells, how exercise affects the body, and what exactly is inside your lungs. Colorful diagrams and fascinating text show how your circulatory system works to keep you fit, warm, and alive!

Explore the structures you encounter in your everyday life and around the world that exist because of engineering. Discover how the world's tallest building stays standing and more with full-color illustrations designed to keep young readers engaged and entertained while they learn.

From cyber worlds to nano-technology, discover an array of always-changing technologies. High-interest, humorous illustrations and bite-sized facts will keep young readers engaged--

Learn how number systems and measurements allow us to make sense of the world. Discover how important addition and subtraction are and look at cell division with illustrated spreads designed to give readers fast, digestible facts that keep them engaged.