There's a worm on my eyeball - Dr Adam Taor

Believe it or not, we are more alien than human. there are more bacteria, viruses and other germs in our body than human cells. From monster worms to minuscule viruses, they call our body home.

Be warned .... if you read this book, you will never look at the world - or your own body - the same way again.

If you ever needed an excuse to chuck a sickie from school, here's the ultimate guide.