First, he explains what militant Islam is and stresses the large and crucial difference between Islam, the faith, and militant Islam, the ideology. He demonstrates that it is a battle for the soul of Islam among Muslims themselves. He shows that militant Islam is not caused mainly by poverty and that its adherents, far from being the dispossessed, tend to include the more talented and Westernized elements. Militant Islam strikingly has much in common with fascism and communism. Pipes also demonstrates how high officials of both the Democratic and Republican parties have had the effect of endorsing Islam.
Secondly, Pipes takes up the relatively new subject of Islam in the United States, and how it has rapidly developed in the last decade.