Islam's War Against the World, author and filmmaker Gregory M. Davis rebuts the notion that Islam is a great faith in desperate need of a Reformation. Instead, he. Gregory M. Davis: " Islam is meant to help people become better educated about the fundamentals of Islam and to help the more knowledgeable better. Mr. Davis co-directed a DVD by this title and authored Religion of Peace? Islam's War Against the World. Doctors for Disaster Preparedness. Islam by Gregory M. Davis. author, Religion of Peace? Islam's War Against the World producer/director, Islam: What the West Needs to Know — An. Virtually every contemporary Western leader has expressed the view that Islam is a peaceful religion and that those who commit violence in its name are fanatics. Islam , by Gregory Davis, an Orthodox Christian, author and filmmaker. Islam's War Against the World, author and filmmaker Gregory M. Davis rebuts the.