David Brown is a fairly common name, and there have been multiple authors with that name across various genres. If you are referring to the former American journalist and author David Brown who also went by the name Dan Brown, he is best known for his thriller novels, including "The Da Vinci Code," "Angels & Demons," and "Inferno." His books often feature symbologist Robert Langdon and are known for their blending of historical and religious themes with suspense and conspiracy theories. However, if you are referring to a different David Brown without more context, it is difficult to provide an accurate description because there could be many authors with that name writing in different fields. Please provide additional information about which David Brown you are interested in for a more specific description.