Following on from the success of 13 Journeys Through Space and Time and 11 Explorations into Life on Earth, this third book in the series takes a look at the staggering capabilities of the human brain through ten of the most revealing Christmas Lectures on the subject given at the RI over the last two centuries. Undoubtedly the most complex material in the universe, the human brain makes us who we are, but how it works and why has long been a mystery. Through this series of fascinating lectures, spanning over a hundred years, experts in the fields of psychology, neurology and biology examine the workings of our most important organ, revealing a hidden and complex world.