Mr Biff and Mr Bop are boxers and deadly rivals too. Mr Bop is fit and lean and Mr Biff . . . Well, Mr Biff likes a cream cake or two. Will he ever be able to toughen up in time for the annual charity match. Gulp!
Allan Ahlberg, a former teacher, postman, plumber's mate and grave digger, is in the super-league of children's writers. He has published over 100 children's books and, with his late wife Janet, created such award winning picture books as Each Pear Plum and The Jolly Postman - both winners of the Kate Greenaway Medal. He has also written prize-winning poetry and fiction and lives in Sussex.