Think you know your Smallpox from your Bubonic Plague? Try testing your knowledge of the history of medicine! a) What did the Ancient Egyptians treat with powdered ostrich egg? b) How did body snatchers help 19th-century medical students? c) Why did the Ancient Romans recommend drinking wee? ANSWERS: Dive in and find out! 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.

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.

206 bones. One heart. Two eyes. Ten fingers. You may think you know what makes up a human. But it turns out our bodies are full of surprises. What makes tears of joy different from tears of sadness? Why is a gut feeling so much smarter than you think? And why is 90% of you not even human? This book turns your knowledge of the human body on its head. The effervescent van Tulleken twins bring their knowledge and charm to the page to reveal just how well our bodies keep secrets from the things that want to exploit it: bacteria, viruses, fungi, parasites, larger predators and, crucially, other people. They reveal the remarkable stories behind the science we are not meant to know, on matters of life and death. Leading us through these revelations are tales of everyday miracles - the human stories that bind every one of us together through the universal stages of life. Chris and Xand van Tulleken reveal the incredible abilities every human shares, leading us to discover the secrets that make every ordinary human body ... extraordinary.