David Roberts is a hugely successful illustrator who has illustrated books by Philip Ardagh, Julia Donaldson, Jacqueline Wilson and Chris Priestley. He's also the creator of Dirty Bertie and the NEW YORK TIMES bestselling artist of picture books IGGY PECK, ARCHITECT and ROSIE REVERE, ENGINEER. David lives in London.
Catherine Robinson has taught English and drama in schools and colleges for more than three decades, and is currently teaching at Stonyhurst College, Lancashire. She lives with her husband in Lancashire, where she has always lived, and where (when not teaching or writing) she has raised a son, farmed a small flock of Derbyshire Gritstone sheep, and bred horses.
Tony Ross is one of the most popular and successful of all children's illustrators, with many picture books to his name. He has also produced line drawings for many fiction titles.