Paul Calver has been designing and writing books for 25 years. he has designed everything from encyclopaedias, sticker books and non-fiction, to children's novelty books. He co-founded Green Android Limited in 2011 and produces books for publishers all over the world. He lives in South London with his wife and two sons.
Sean Connolly is the author of more than 75 books for children and young adults, on global issues, citizenship, history and cultural affairs.