Over the years there have been a number of D-list books brought to our shelves by A-list stars, and yet some of them have been able to fly under the radar. It may surprise you to find out some of your favourite celebs have had some ultimate flops when it came to their ventures in the world of literature. The very worst of literary crimes have been committed; it's hard to believe some of these are even real, but sadly, they are. This World Book Day we're here to remind you of the forgotten flops