As of my knowledge cutoff date in March 2023, I am not aware of any widely recognized author named A. M. Strong. It is possible that A. M. Strong is an emerging author, a pen name, or a less well-known figure in the literary world whose work has not yet gained significant recognition or widespread coverage. It's also possible that A. M. Strong is an author of specialized or niche publications that haven't received mainstream attention. If you are referring to a specific work or context where A. M. Strong is mentioned, please provide additional details so I can attempt to provide a more accurate description. Alternatively, A. M. Strong could be a new or self-published author whose work came out after my knowledge cutoff date, in which case I would not have information on them.