Azar Ajaj and Alex Miller have both published chapters in the new Evangelicals around the World: A Global Handbook for the 21st Century (Thomas Nelson, 2015). Azar wrote the chapter on Greater Syria, Jordan and Iraq and Alex wrote the chapter on North Africa and Egypt.
The chapter on Christians in North Africa and Egypt can be found HERE.
The chapter on Christians in Greater Syria, Jordan and Iraq can be found HERE.
This resource book promises to be used widely by students of global evangelicalism. Check it out at WorldCat or Amazon or Thomas Nelson or Books.google.