BSD
On the other side of Feivel (not detracting from his point), Rav Yaakov Kamenetsky has a (not so?) well known quote “and what is so bad about Agatha Christie?
OnlyEmes: we can both quote “banned” books 🙂
The purpose of Jewish books is only for the “lesson”, not for the reading itself. If you believe the sole purpose of reading is to have you or your child “learn a lesson”, buy all means only read Jewish Novels. In fact, why not only read Tanach? Jewish books are a waste of time as compared to Tanach, which you could be reading instead and learning a “lesson” from Hashem himself!