Eugene Trivizas has written over 100 books, and is loved by children and grown-ups alike. He is the winner of more than twenty national and international prizes and awards, and much of his work has been adapted for stage, screen and radio. Dr Trivizas is a professor of criminology. He wrote the first studies of crowd violence in football fans and continues to practise as a barrister. His children's books include the popular 'The Last Black Cat'. Helen Oxenbury is one of the most popular and acclaimed children's book artists working today. She has been honoured twice with the Kate Greenaway medal, for 'The Quangle Wangle's Hat and the Dragon of an Ordinary Family' and Lewis Carroll's 'Alice's Adventures in Wonderland'. She has set a new standard in board books and sold millions of copies of them worldwide. Helen lives in London.