The earliest tattoos yet identified belonged to Otzi, the 'iceman', whose mummy allows us a brief glimpse into the prehistory of the practice. We know that over the more than five thousand years since he was tattooed, countless cultures have performed this ancient practice, and people in every corner of the world have been tattooed. For the most part, these fascinating histories remain stubbornly untold, and the secrets of Siberian princesses, Chinese generals and Victorian socialites have been hidden on the skin, under layers of clothing and under layers of history. Now with access to a wealth of new and unreported material, the author tells the stories of people like Arnaq, who was tattooed in keeping with her cultural and religious traditions in sixteenth-century Canada, and Horace Ridler, who was tattooed as a means to make money in 1930s London. And in between these two extremes, he describes tattoos inked for love, for loyalty, for sedition and espionage and for self-expression, as well as tattoos inflicted on the unwilling, to ostracise. Taken together, these twenty-one tattoos paint a portrait of humanity as both artist and canvas.