I had a long-standing interest in psychology, but haven't found a single book worth crap. Psychologists seem to obsess over fancy terminology and say-so stories with absolutely no conception of anything remotely like a controlled experiment. The one exception I've found is this blog:

http://thelastpsychiatrist.com/

Although most of his posts just complain about the lack of quality in medical and psychiatric publishing. That, and his definition of narcism (creating a persona and acting it out) is without doubt the most insightful model of the psyche I'd ever stumbled on.