Our teeth help us to eat, smile and even talk. Read this book to find out how they work, what had the sharpest teeth and why some people put teeth under their pillow at night!

There are 7,000 spoken languages today, so how do we communicate internationally? Do you know how to talk without saying a word? And where did the first words come from anyway?

We know that we should eat well, keep fit and care for our emotions. But why is that so important? And what else can we do to keep healthy and happy?

What happens when we eat something? Come on a fascinating journey through the digestive system – starting from the moment your food is in the mouth!