John Woodward has written more than 40 books and hundreds of articles on all aspects of Earth sciences, environmental issues, and the natural world. He is the author of DK's Geography Children's Encyclopedia, Ocean Children's Encyclopedia, Online Encyclopedia Weather, Earth 3-D, and Knowledge Encyclopedia Animal. He has contributed to many other major reference works on science and the natural world.

Peter Higgins read English at Oxford University and Queen's, Ontario. He was a Junior Research Fellow at Wolfson College, Oxford and worked in the British Civil Service. His short stories have appeared in Fantasy: Best of the Year 2007, Best New Fantasy 2, Asimov's Science Fiction, Fantasy Magazine, Zahir and Revelation, and in Russian translation in the St Petersburg magazine Esli. His first novel was the acclaimed Wolfhound Century. He lives with his family in South Wales.