I have been like a kid in a candy store since discovering reddit book suggestion sites because I can learn what other readers love to read. These include r/historical fiction, r/romancebooks, r/horrorlit, r/fantasy, r/printsf, r/audiobooks.

I also check the staff picks shelf at my local bookstore. Best of the year articles from reputable newspapers. Lists of award winners.

I only use Goodreads to store my I might like to read this book list, because it is convenient to have the linked summary right there when I choose my next book.