Karen Wallace is an award-winning author of children's books. Her first novel for older readers, Raspberries on the Yangtze (Simon & Schuster) was shortlisted for the Guardian Children's Fiction Prize. The first in her series for younger readers, The Crunchbone Castle Chronicles, published by A&C Black, was selected for the Summer Reading Challenge in 2006. The Goosepimple Bay Sagas was a World Book Day recommended read in 2008 and Li Fu's Great Aim was chosen for the recent Boys into Books promotion.
Helen Flook was born in Wales, lived in Canada, and is now resident once again in Abergwyngregyn, Wales. She has illustrated hundreds of children's books both in the UK and North America, and tends to work with acrylic inks or pen and ink. Helen is A & C Black's resident illustrator for the Terry Deary's Tales books.