He has written on several topics of culture, politics, art history and literature.
He has also written books on topics other than mathematics.
Further, he has written a number of popular articles on various topics in science.
He wrote several series on topics of American military history.
She has written a number of books on political topics.
He wrote many books on different social and literary topics.
During his life of 45 years he wrote many books on Islamic studies and other topics.
He has written many books and articles on different topics.
He has written several books on topics related to marriage.
He also has written many religious articles on different topics.