Did you know bed bugs can live for a year without eating? Or that head lice use their huge claws to cling on to hairs? Or that around 1 billion bacteria live on each one of your teeth?

This book zooms in on some of the weird and wonderful creatures - such as ticks, mites, lice and viruses - that live on and in our bodies. Learn about the creepy crawlies that live in your eyelashes, and meet the worms that feast on half-digested food in your gut.

The Zoom In On series shines a powerful light on a world so small that it's normally invisible. Scientists can zoom in on the strange creatures that live there. Now you can look down the microscope and see them too, if you dare...