Jim Helmore and Karen Wall live in South London. Karen still works as a textile designer when she's not creating books, and Jim has worked in the publishing industry. They have won the picture book category of the Sheffield Book Award for their first book, Letterbox Lil (OUP), and received the silver Practical Parenting award for 'Who are you, Stripy Horse' in 2007. Other than 'Stripy Horse', they have also published 'Oh No, Monster Tomato!' (Egmont) and 'Letterbox Lil' (OUP)