El-Naggar is the author of a book entitled The Geological Concept of Mountains in the Qur'an (2003).
United States Geological Survey | Rocky Mountains | concept album | Carpathian Mountains | Appalachian Mountains | Blue Ridge Mountains | Catskill Mountains | Qur'an | Ural Mountains | Snowy Mountains Scheme | San Gabriel Mountains | Black Mountains | British Geological Survey | San Bernardino Mountains | Ore Mountains | Jura Mountains | Caucasus Mountains | Tatra Mountains | Great Smoky Mountains | Apennine Mountains | Geological Society of America | Black Mountains, Wales | Atlas Mountains | Adirondack Mountains | Vosges Mountains | Troodos Mountains | Taurus Mountains | Tangra Mountains | Pamir Mountains | mountains |