Julia Golding is a much loved storyteller and has written numerous books for the YA market, including the Cat Royal series. She lives in Oxford and is married with three children.|He is Professor of Nanomaterials in the Department of Materials at the University of Oxford. He is best known for his early work in acoustic microscopy and his current work in materials for quantum technologies. He is co-author of The Penultimate Curiosity.|Roger Wagner is a prolific artist and author, with works spanning three decades. He works across many creative genres, including portrait, illustrated books and stained glass. He is co-author of The Penultimate Curiosity.|Brett Hudson attended the University of Southampton and now works as a freelance artist and book illustrator. He has worked for a variety of publishers including Collins and Barrington Stoke. His book Friday Forever won the Portsmouth Book Award. He has also worked for Marks and Spencers greetings cards. He sells his humerous watercolours from The Naked Eye Gallery in Hove and other outlets in the south of England