Pippa Goodhart began writing when her children were born, and first novel, Flow (Mammoth), was published in 1994. She has worked as a primary school teacher and manager of Heffers Children's Bookshop. She is the author of numerous picture books, early readers, and novels, including Ginny's Egg (Mammoth, 1996), which was shortlisted for the Young Telegraph Book of the Year. Her other titles for young readers include Happy Sad (Blue Banana series, Mammoth, 1999) Hamper's Great Escape, Snooty Prune, Me and My Newt, Sinister Ella and The House With No Name. John Kelly has illustrated a number of children's books, including both fictional and non-fictional titles. Originally from Stockton-on-Tees, he has lived in London for a number of years. He enjoys working with both traditional materials and with computer-generated art.