For Gabriel Weston, there was always something missing from the anatomy she was taught at medical school. As she became a surgeon, a mother, and ultimately a patient, she found herself grappling with the gap between the body she understood as a doctor, and the reality of living in one. In this captivating exploration of our organs, a fuller and more human picture of our bodies emerges: more fragile, frightening and miraculous than we could ever have imagined.