People with personality disorders are all around us, though many times we're not aware of those who are overly paranoid, obsessive-compulsive, antisocial, or overly dependent until it's too late. Indeed, many sufferers aren't aware themselves of their disorders and often go undiagnosed and untreated, leading to problems in their personal and professional lives. Here, Dobbert offers an introduction to the most common personality disorders, and a guide for those who work, live, or come in contact with sufferers on a daily basis.