Dr John Haywood is an honorary research Fellow at Lancaster University, England, and a Fellow of the Royal Historical Society of Great Britain (FRHistS). He has written and contributed to many history books.

Anna Claybourne enjoys writing nonfiction for children. It's a good thing she does, because she's the author of well-over 100 books on a range of topics.

Richard Spilsbury has worked in educational publishing for more than 20 years and has written on a variety of subjects, from climate change and food and farming to art history and design.