I appreciate the minds that work in AI. I created and used DBs for a regional cellular carrier when I was working, so I know a little about creating DBs for easy search functions. While I understand the basics, my suggestion might not be as easy as I think. You have given us the ability to search all books or only my library. This is a good start, but since I am in the Reformed Baptist tradition of theology and I do create apologetics for my position, I have books from various theological perspectives. When I'm working on a sermon or creating SS lessons and such, I do not want the study assistant to access those other books that differ from my theological perspective. So, here is my suggestion. Add a drop-down menu from the collections tool. I have created tons of collections, one for each book of the Bible with my preferred commentaries for that book, and collections for various categories of counseling resources, like addiction, divorce, suicide, and the like. If I could select the collections I would like the study assistant to research, it would be a great help. Thank you for your attention to this suggestion.