I didn't buy this book and if it had been up to me it wouldn't have come into the house. I don't read tabloid newspapers and Piers Morgan has been editor of two of them. I don't like gossip (unless it's particularly juicy) and I'm not keen on giving money to people who make a good living out of selling it. Still, the book was there and I thought I might as well have a look just to see how dreadful it was.
I'd recommend the book if you want some fast-food reading - it's quick and tasty to get through but you probably won't feel great after it. Go for it if you want to know that people in the public eye are often worse than those who are not, but leave it alone if you're looking for anything deeper.