Anthony Horowitz, creator of the bestselling Alex Rider series has written a wickedly funny story, with hilarious illustrations by Tony Ross. Twelve-year-old Joe has an unbelievably evil Granny. Not only is Granny physically repulsive and horribly mean, but she also has the look in her eye of a predatory crocodile. Soon Joe starts to suspect that she has unpleasant designs on him. But what are they and how can he foil them?

Anthony Horowitz (born 5 April 1955), is an English author and screenwriter. He has written many children's novels, including The Power of Five, Alex Rider and The Diamond Brothers series and has written over fifty books. He has also written extensively for television, adapting many of Agatha Christie's Hercule Poirot novels for ITV series. He is the creator and writer of the ITV series Foyle's War and the series Midsomer Murders.