Forqotten truth : the common vision of the world's religions

 Smith, Huston;

London : Harper San Francisco , 1967

Muhammad : a bioghrapy of The Prophet

 Armstrong, Karen;

San Francisco, Calif. : : Harper San Francisco , 2001

The Heart of Islam : enduring values for humanity

 Nasr, Seyyed Hossein;

New York : Harper San Francisco , 2004