Book excerpt: All the most important and interesting bits of psychology, including what it really means to dream you are flying and exactly why Freud smoked that cigar Freudian Slips presents the essential facts and findings of psychology in an accessible and thoroughly enjoyable way, leaving no Freudian slip or phallic symbol unexamined. From Bobo dolls to invisible gorillas, Clever Hans to Little Albert, the halo effect to the Stockholm syndrome, the book charts a path through the subject's controversial history and along its most intriguing diversions. Discover how Pavlov made a dog neurotic and electroconvulsive therapy turned a man bisexual, why schizophrenics can tickle themselves, and how the U.S. military developed a pigeon-guided missile.