Brain Research in Addiction, Volume 235, the latest volume in this groundbreaking series on addiction, presents the neurobiological, pathological, cognitive and evolutionary aspects of addiction, with new chapters covering the Neurobiology of drug intake escalation, the Role of the orexinergic system in reward, Mental time travel and addictive behaviors, An evolutionary perspective on addiction- Addiction is the price we pay for innovation and adaptability, and how Cocaine ex