If there’s anything full-time novelists hate more than a celebrity muscling in on their turf, it’s the celebrity doing such a good job that it seems as if anybody could write fiction. Happily for the pros, this isn’t a problem with Briefs Encountered. Not only is the book full of obvious flaws, but it also makes the whole business of novel-writing look unbelievably difficult. There is, it turns out, so much to do — what with plot, characters, dialogue and tone all to be created and, worse still, made coherent. And then there’s all those pesky sentences you have to string together…