The history of armed combat shows that the prisoners of war have been the victim of worst imaginable form of human cruelty. This book highlights that the Islamic teachings resolved the problem of how prisoners of war were to be treated in most enlightened fashion in an era when prisoners could be executed at will. This book provides useful information for students of international relations, comparative study and law because it has made a comprehensive study of rights of prisoners of war in modern international humanitarian law and Islamic law of war. In the present situation, different concepts about Islam are floating in the minds of people. Some hold that it is religion of war and terrorism, others label Islam with extremism. Therefore, this book is very useful in clearing misconception about Islam that it neither promote terrorism nor encourage extremism, instead Islam preaches tolerance and moderation. This book has made a thorough study on the concept of war in Islam and proved in the light of Quranic verses that Islam forbids killing/bloodshed without valid justification.