As of my last knowledge update in early 2023, there is no widely recognized author by the name of Bob Ham who has a substantial body of work or prominence in the literary community. It is possible that Bob Ham could be an author of lesser-known works, self-published books, or articles, or he might be an emerging writer who has yet to gain widespread recognition. If you are referring to a specific Bob Ham who has published works in a particular niche or industry, providing additional context or details could help in giving a more accurate description. Otherwise, without more information, it's challenging to provide a description of an author by that name. It's also worthwhile to note that new authors emerge regularly, and the information could have changed after my knowledge cutoff date.