What makes life worth living in the face of death? At thirty-six, on the verge of completing a decade of training as a brilliant neurosurgeon, Paul Kalanithi was diagnosed with terminal cancer. In this profoundly moving memoir, the doctor becomes the patient. He grapples with his own mortality, trading a promising future for a search for meaning in the present. This is his unforgettable, heartbreaking, and beautifully written exploration of what it means to live when you are dying.