Terry Sullivan is not a widely recognized author for a particular field or series of best-selling books, as of my last knowledge update in April 2023. However, it is important to note that the name Terry Sullivan is relatively common, and there may be several individuals with that name who have authored various works across different sectors such as business, sports, or local history. Without more specific information, it is challenging to provide an accurate description of the correct Terry Sullivan you're referring to. If Terry Sullivan is an emerging author or has gained prominence since my last update, additional information may be necessary to provide an accurate description. Please provide more context or details if you're inquiring about a specific book or subject matter related to a Terry Sullivan you have in mind.