In a five volume set, Encyclopedia for Muslims in the twentieth century, by Abdul Aziz bin Abdullah bin Baz. A comprehensive set for studies in the Arabic and a great source of information.
Subject: Islamic Studies – Contemporary
Publisher: Al Riyan, Beirut, 2007
Pages / Other: 2952 pp in a five volume set
Author: Bin Baz, Abdul Aziz bin Abdullah (1910-1999)
Language: Arabic