Andy Griffiths is Australia's number-one children's author. His books, including the popular Treehouse series, have been hugely successful internationally, winning awards and becoming bestsellers in the UK and the USA as well as in his homeland, Australia. Andy thrives on having an audience: he has worked as a high-school teacher, been the lead singer in a rock band and a stand-up comedian. He is a passionate advocate for literacy, has two daughters and lives in Melbourne, Australia.

Bill Hope has established himself as one of the most versatile illustrators and graphic recorders working in the industry. He has published several illustrated books including the Adventures Unlimited series and held a series of solo exhibitions which has ongoing representation through the Lost Bear Fine Art Gallery in Australia. His graphic novel An Interior Life won the Golden Ledger award for Australian Comics.