explores how and why Islamic groups succeeded in galvanizing educated youth into politics under the shadow of Egypt's authoritarian state, offering important and surprising answers to a series of pressing questions. Under what conditions does mobilization by opposition groups become possible in authoritarian settings? Why did Islamist groups have more success attracting recruits and overcoming governmental restraints than their secular rivals? And finally, how can Islamist mobilization contribute to broader and more enduring forms of political change throughout the Muslim world? Moving beyond the simplistic accounts of "Islamic fundamentalism" offered by much of the Western media, offers a balanced and persuasive explanation of the Islamic movement's dramatic growth in the world's largest Arab state.