When Tad Spencer's father denies him a trip to a theme park, Tad wishes he were someone else. The next day, his wish comes true.

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.