An immediate exciting and adventurous way of finding out how your body works. Find out what Stephen Biesty's body looks like from the inside by following two tiny explorers through the labyrinth of arteries veins bones and organs that make up a human body. Using special equipment carried in their rucksacks the intrepid voyagers investigate every nook and cranny of Stephen's body to find out how it works - and what happens if it doesn't! Along the way they meet teams of body people who maintain and service Stephen's body explaining what they do and why. From being showered by bile in the duodenum to being squashed in a muscle as it contracts the explorers are catapulted from one adventure to another until they are eventually washed out of Stephen's eyes in a torrent of tears caused by his terrible hay fever.