I could be wrong, or it could be a UK thing, but from what I've heard agents saying that YA is approaching saturation point. I imagine the agents mentioned are wanting something new in YA to get excited about.
And you know what, if you perserve, your book could be what gets the biz excited about horror/historicals/sci-fi again.
I know it's frustrating. I get frustrated when I go into a bookstore, and see all the historicals that are set in ancient Rome are war/military fiction. I have to rummage through the internet/book reviews/author interviews to find the stuff that isn't. But, you have a bit of a grumble, walk away and deal with it in a mature fashion.
And you know what, if you perserve, your book could be what gets the biz excited about horror/historicals/sci-fi again.
I know it's frustrating. I get frustrated when I go into a bookstore, and see all the historicals that are set in ancient Rome are war/military fiction. I have to rummage through the internet/book reviews/author interviews to find the stuff that isn't. But, you have a bit of a grumble, walk away and deal with it in a mature fashion.