Originally Posted by AnemicOak
There's no reason it would need to be limited to something that could fit in both categories it could be either or. I'd prefer separate, but at the same time I'd also prefer a combo to nothing and they are genre's that right or wrong have been traditionally grouped by publishers, book stores, libraries and many readers. We already have a Mystery/Thriller combo and they aren't the same thing either.
And I think Mystery/Thriller is wrong too. So is Travel/Adventure. I'm not wanting to read a travelog. Adventure is just a poor (IMHO) category.