Excellent, insightful scholarship. This book clarifies the relationship between the Abrahamic religions: Judaism, Christianity, and Islam. It focuses on the close parallels between the earliest forms of Christianity and Islam as found in the Koran. The author makes the case that Jesus the Messiah has always been a major character in the Koran, more predominate than even Muhammad, and characterized as the 'Spirit and the Word of God' in the Koran. The author suggests a broader study of the Islamic Jesus in Islam could provide a solution to fight Islam extremism that has strayed from the core principles of the Koran.