Why do zombies walk with their arms outstretched? How can newborn babies grip an adult finger tightly enough to dangle unsupported from it? And why is everyone constantly texting, tapping and scrolling? For anyone curious about how human beings work, the answers are hidden in plain sight: in our hands. We have always kept our hands occupied, and if mankind’s story is marked out by profound changes in how we use our hands, it is also marked by underlying patterns that never change. And as much as the things we do with our hands reflect our psychological state, they can also change that state profoundly. Drawing examples from popular culture, art history, psychoanalysis, modern technology and clinical research, Darian Leader presents a unique and fascinating odyssey through the history of what human beings do with their hands – and why.