Walter Speazlebud is a whizz at spelling backwards. He also has the power of Noitanigami (Imagination) – he can make people, and animals, go backwards in time – two skills he inherited from his favourite person, his grandfather. So when his horrible teacher, Mr Strong, starts picking on Walter, he had better watch out. And so had the even more horrible class bully, Danny Biggles. Because when Speazlebud's about, it spells elbuort for all bullies …