* He co-writes extensively: Patterson often collaborates with other authors, which makes it tricky to determine who "wrote" what.
* He has multiple series: Patterson has numerous series, each with multiple books, and he frequently releases new titles.
* He has different publishing formats: He writes novels, short stories, children's books, and more.
However, according to a recent count, James Patterson has written or co-written over 200 books. This number is constantly increasing as he continues to publish new works.