Go here for the sample chapter. And here are some early reviews:
Robert Spencer is a careful observer of Islam and a courageous voice on behalf of Christians. In Not Peace But a Sword he shows us how to take Islam seriously without falling into alarmism, hatred, or bigotry, and provides a needed corrective to media disinformation. -Scott Hahn, Fr. Scanlan Chair of Biblical Theology, Franciscan University of Steubenville.
Robert Spencer carefully examines the challenge posed to Christianity by an increasingly militant Islam. His case is calm, lucid, accurate, and uncompromising in its presentation of the facts of history. He provides an honest and unflinching account of the roots of Christian/Muslim tensions, a robust defense of Jesus Christ and Christianity in response to Muslim claims, and a sobering wake-up call to all Christians. – Patrick Madrid, author of Envoy for Christ and host of the “Right Here, Right Now” radio show
Dialogue with Islam may be the order of the day, but before we can discuss what we might have in common with Muslims, we had better be aware of the defining differences. This is the invaluable service Spencer provides in this book. With his usual clarity and insight, Spencer gets to the essence of the problems faced by anyone who thinks we can talk our way out of the challenge Islam presents. -Robert R. Reilly, author of The Closing of the Muslim Mind
A great many Catholics know only a Disney-fied version of Islam, and still cling to the dangerous illusion that Muslims and Christians share much in common. But as Robert Spencer ably demonstrates, beneath the surface similarities lies a deep and possibly unbridgeable gulf. This is must reading not only for Catholics but for all Christians. -William Kilpatrick, Author of Christianity, Islam, and Atheism: The Struggle for the Soul of the West