According to noted psychologist Seligman, thirty percent of American children suffer from depression. His studies demonstrate that pessimistic children are at much higher risk for becoming depressed than optimistic children. His purpose in this book is to teach parents how to instill in their children a sense of optimism and personal mastery. He proposes that self-esteem comes from mastering challenges, overcoming frustration, and experiencing individual achievement. The book offers a concrete plan of action based on techniques of self-evaluation and social interaction.