The Truth About Leo, by David Yelland, tells the story of a 10-year-old boy watching his father struggle with alcoholismFormer Sun editor David Yelland has written a children's book about a boy with an alcoholic father, which he revealed yesterday evening was based on his own experiences as an alcoholic.Yelland's debut novel The Truth About Leo tells the story of 10-year-old Leo, who tries to hide the fact that his father is an alcoholic from the world. Due out next April from Penguin, Yelland, who edited the Sun for five years before going into PR as a partner at financial firm Brunswick, said it was "the most important thing" he had ever done.Speaking last night at a book industry event, ...