It must have been a slow few months in the literary world, because an old favourite debate topic seems to have risen its ugly head. Book value. Book merit. Art versus popularity.   Some bloggers, critics and general people are annoyed that adults read YA fiction. I’ve read a few of these blog posts and the responses to them. I tend to try and ignore these debates, but sometimes it’s like driving past a car crash. You can’t help but stare.   As well as staring, I’ve felt the prickles of annoyance