'This stylishly gruesome and colourful introduction to "the good, the bad and the friendly" germs in and around our bodies is full of fascinating, sometimes foul facts' GuardianWhy do grown-ups always tell you to wash your hands?How are antibodies like superheroes?Should you eat that old sausage you found in a coat pocket from last winter?Prepare to go on a journey through the mindboggling, yucky world of germs!