Book excerpt: The Complete Idiot's GuideR to Understanding Iran , explores the country's origins, from its long and turbulent beginnings as ancient Persia and its transformation into modern Iran. The author covers the rise of the Ayatollahs and Islamic fundamentalism; the 1979 revolution and the subsequent hostage crisis; the Iran-Iraq war; the Iran-Contra scandal during the Reagan administration; Iran's sponsorship of terrorist groups such as Hezbollah and Hamas; and how evidence of Iran's nuclear weapons program affects its relationship with the world in general - both now and in the years to come. With a younger generation now chafing under the hard-line mullahs' social repression, the situation grows more volatile each day. The Complete Idiot's GuideR to Understanding Iran will be a detailed, comprehensive, and unbiased overview of this complex but often fascinating land.