Social media (goodreads/tiktok/reddit)? Colleagues? Friends? Browsing the library/bookstore? Asking for recommendations from staff at libraries/bookstores?
BONUS: if you can remember, how did you find books you really enjoyed?
I realized a lot of my favorite book recs came from reddit. I was a subscriber of r/books and picked up some really good books there. Piranesi by Susanna Clarke is an example.
For enjoyment, I’ll get recommendations from my hairstylist, believe it or not! Or I let Goodreads think for me sometimes. Other times, for work, it just depends on where my academic research leads - in the former case, kind of hit or miss, but of course for my job, whatever I end up reading is obviously going to be in my wheelhouse/relevant to my interests, anyway, so those are rarely intolerable!