If I have a favourite JH one it would be Creed. I’ve liked all his books though. I’ve tried to find a complete works kind of thing but to no avail.
Not for everyone this, but not as far out there as might be thought. Second reading for me of The Magic Mountain by Thomas Mann. Different translation to the one I read in the long ago. I'll see how it goes!
The Lecter series by Thomas Harris is cracking, even the prequel Hannibal Rising, which is the weakest of the 4, is still a great read. Also did a recentish one called Cari Mora which is a standalone horror/thriller unrelated to Lecter, not bad quite entertaining and a good choice for a holiday read.