Though easy to read, this book is devoid of any true scholarship and skews the fragments of information that it reports. Basically, Burnham and Phelan strung random theories together into conclusive pop psychology/self-help by ignoring contextual parameters on the theories themselves and counter-theories. Their narratives appear to be correct because they were initally structured to conform to observation. The only things were undeniably correct were neurobiological (such as their section on the science of addiction) rather than about evolutionary psychology. For the given subject matter, I would find less dictorial books that present competing theories and their evidence.