It has been known for years that humans are prone to substance addictions, but only recently has behavioral addiction come to the fore. Adam Alter *09, a professor of psychology and marketing at NYU, is at the cutting edge of this burgeoning field, just as addictions to mobile devices, social media, and streaming television are on the rise. Irresistible (Penguin) explores not just a history of our understanding of addiction but outlines the options we have to address the problem before it consumes us.