Operation Ouch! based on the popular CBBC series and recent winner of the Booktrust Best Book Award for 'Best Fact Book'! Can you guess which of these amazing facts Operation Ouch! has in store for you? a) That in your lifetime you'll spend a whole year on the toilet b) That you shed at least 30,000 skin cells every day c) That the biggest muscle in your body is in your bum ANSWER: All three of course! Join Dr Chris and Dr Xand as they take a tour of YOUR BRILLIANT BODY! Find out the incredible things your body can do, test your gross-out knowledge and try out cool body tricks at home.

Think you know your smallpox from your bubonic plague? What did the Ancient Egyptians treat with powdered ostrich egg? How did body snatchers help 19th-century medical students? Why did the Ancient Romans recommend drinking wee? Dive in and find out the answers to these questions and many others as Dr Chris and Dr Xand draw back the bed curtains of history to take you on a tour of the body, revealing the gruesome secrets of medicine through the ages.