When people ask me what I do for a crust and I tell them that I m a novelist, they immediately assume that my life is a non-stop carousel of limos, television appearances, hair-dos, devoted fans, stalkers and all the glitzy paraphernalia of being a public figure. It s time to set the record straight. I write alone, in a darkened bedroom, wearing my PJs, eating bananas, my laptop on a pillow in fr