Through this one doctor’s story, an era of unfathomable tragedy is brought down to a tangible, and devastating, human scale. Told at a galloping pace, his book not only takes the reader inside the seamy but highly lucrative world of cash-on-the-barrelhead painkiller prescribers but explores the mindset of a once-promising physician who — even while persuading himself that he was relieving his patients of suffering — turned himself into a dispenser of death.”.