Book excerpt: This hilarious, fact-packed joke book will have young readers laughing as they’re learning. It features dozens of gut-busting gags that children can share with their friends, themed around the gross and gruesome aspects of the human body, along with bite-sized information about the topics covered. Find out about the uses of snot and poo, the gooey workings of the vital organs, why people get acne and warts and some very weird stories about sleepwalking. Hold onto your sides and dive in!