Originally Posted by
Paulclem
JBI's right - if you want to write for a career. The odd writer will create a market with an idea that is either original or which taps into some trend. But it's mainly about what people want to read. If you wanted to write sci fi, then look at what sells. if it's children's literature, then look at what is on the shelves for the various age groups. It's no mystery - if you want to be able to write and sustain your writing, you have to make money to continue. Once you get into a different career, then it's very difficult.
By the way - a good vampire book is Fevre Dream by George RR Martin.