What kind of doctor puts his patients on display? As Dawn Raffel artfully recounts, Dr. Couney figured out he could use incubators and careful nursing to keep previously doomed infants alive, and at the same time make good money displaying these babies alongside sword swallowers, bearded ladies, and burlesque shows. How this turn-of-the-twentieth-century émigré became the savior to families with premature infants, known then as "weaklings"––while ignoring the scorn of the medical establishment and fighting the climate of eugenics––is one of the most astounding stories of modern medicine. And as readers will find, Dr. Couney, for all his opportunistic...