I'm looking for easy-to-listen-to fiction audiobooks. Something I can tune in while doing other stuff without getting distracted.
I find some authors have styles that are a bit more sophisticated than others. The more thought-provoking, the more difficult I find to enjoy an audiobook while doing something else. I catch myself stopping whatever I'm doing to pay attention to the book, which is not what I want.
So for example I've found The Witcher books very easy to listen to, it wouldn't matter if I missed a few seconds and I never found myself stopping to ponder about the text itself. The narrator was great too. Also bonus points as it was a long saga of books.
In contrast I would never want to listen to a Terry Pratchett book while doing something else. He's probably my favourite English author but I find he's too much of a genius, and my poor brain wouldn't be able to digest it all if I'm not giving it my attention 100%.
I set a goal for myself to get through as many of Stephen King's books as I can before the end of the year. To date, I've gone through over half of the Dark Tower series, The Shining, Dr. Sleep, It, Later, Under The Dome, Bag of Bones, Desperation, If It Bleeds, and I'm working on The Stand right now. Most of them are quite long, 15 - 50ish hours.
If you're not into horror, I still highly recommend The Dark Tower series. The recordings for the first 5 books are over 100 hours. They unfortunately had to change narrators in the 5th book, as the original sadly passed away. He did an amazing job at bringing the characters to life.
If It Bleeds is a short story collection, but it contains a sequel to King's The Outsider, followed by Holly, which just came out last month.
I like audio books because they are slower than I read, which is more peaceful. I read words all day. I'm just done with that in my personal time, aside from the fact that I can listen to books when doing other things.