Simon Holland has been writing and editing non-fiction books of all colours, shapes, subjects and sizes, for children and adults, for more than seventeen years. His background is in medieval literature and history, but he has become passionate about the communication of science, nature and technology-related subjects. As a writer, Simon has a penchant for anything fantastic, philosophical, puzzling, paranormal and peculiar. David Wyatt grew up in West Sussex, reading a lot, drawing a lot and messing about in rivers a lot. Nothing much has changed, except he does them on Dartmoor now. He has illustrated books by Tolkein, Terry Pratchett, Diana Wynne Jones, Geraldine McCaughrean and many more. Kev Walker is a comics artist and illustrator based in Leeds. He is known for his work on 2000 AD, Warhammer and Marvel comics.