Catherine Barr specialises in presenting "big issues for small people". Her career has been in campaigning for greater awareness of environmental issues. She was a campaign co-ordinator for Greenpeace International for many years, and wrote exhibitions at the Natural History Museum in London. Her books include the bestselling The Story of Life, long-listed for the SLA Information Book Award and shortlisted for The English Association 4-11 Picture Book Award, Elliot's Arctic Surprise, supported by Greenpeace International, and an ongoing wildlife series with the Natural History Museum. Catherine Barr lives near Hay-on-Wye. Anne Wilson has as MA in illustration from Central St Martins College of Art, London and has been practising as an illustrator for over 15 years. Much of her work is inspired by everyday life; pattern, colour and shape, She incorporates figurative elements, layers and textures, with mixed media, printmaking and computer techniques. Anne Wilson lives in Goring-on-Thames, Berkshire.