Addiction Medicine- The American Society of Addiction Medicine Handbook by Darius Rastegar and Michael Fingerhood.   Rastegar and  Fingerhood provide a timely and much-needed overview of the addiction medicine specialty. Together they welcomed clear discussion of marijuana given the public interest level of late, of treatment for opioid addiction given the epidemic of opioid use, and of current perspectives on addictive illness. The authors provide introspective and evidence-based points throughout this text that are clear and suitable.