From ancient Egyptian toe replacements to today's neural-linked bionic limbs, this sweeping history traces humanity's centuries-long quest to rebuild the body. Jeff and Claude AI guide readers through the workshops of Renaissance anatomists, the battlefields that spurred surgical breakthroughs, and the industrial innovations that transformed prosthetics into a global craft. Blending medicine, engineering, and the stories of those who wore and made these devices, the book reveals how each era's tools reflect its understanding of what it means to be human. A fascinating journey through invention, resilience, and the ever-shifting boundary between flesh and machine.