The Complete Idiot's Guides is an Alpha Books product line of how-to and other reference books that each seek to provide a basic understanding of a complex and popular topic. The term "idiot" is used as hyperbole in claiming ensured comprehension. The approach relies on explaining a topic via very basic terminology. Definitions of words, profiles of people, and a synopsis of events for context are also provided in many cases. The line parallels the For Dummies books.