This book studies the relation of Islam to the war in a scientific and very researched approach. It produces a critical analysis of the opinions and viewpoints expressed by the various schools and trends, fostered by secular Islam, on the various aspects of this important issue. It contains hundreds of first hand bibliographical references among which much go back to several hundreds of years. The book is written in a fluid and clear style which makes it easily accessible to all the readers. It really represents a reference which cannot be overlooked on this subject of world importance.