Truth about the million-pound 'misery lit' phenomenon. From A Child Called 'It' to Angela's Ashes, Ugly, Surviving With Wolves and Kathy's Story of The Magdalen Laundries, what's true, what's made up... and what happened to 'survivors' next

Dave Pelzer's book, A Child Called 'It' - about his utterly miserable, abuse-ridden Californian childhood - became a global hit in 1995.