How many John Grisham books have made it to the New York Times best seller list?

It's difficult to say exactly how many of John Grisham's books have been on the New York Times best seller list because:

* The list is constantly changing: The New York Times Best Seller list is updated weekly, and books come and go.

* Different categories: The list is broken down into categories, and Grisham's books might appear in multiple, including fiction, hardcover fiction, paperback fiction, and more.

However, it's safe to say that a very large number of John Grisham's books have been New York Times bestsellers. He is one of the best-selling authors of all time, and his books are consistently popular.

To get a more precise idea, you can check the New York Times website's archives, which may list historical bestsellers.