The Bookbub and other free book downloads introduces you to many newer authors, I discovered Bobb Akarts, he writes real news into tales, basically Dystopian style SHTF stuff, this is lately. Although right now I have a couple books going, one is 1491, (can't recall author), of life in the Americas before (mostly) white men. The other is a CJ Box. Had never read any of his before, but curiosity got me so I downloaded book 1.
On an all thru my life author (s). Heinlein, Asimov, King, Grisham, Clancy at the top of one line, and Michener definitely all time list.
When we sold our S&B back in RI I helped fill up a couple of the take one leave one libraries, lifting the Take portion and expanding the leave one. I have no idea how many books are on my Kindle at this point.