Mark Walden spent a decade as a video game designer and producer before becoming a fulltime writer and father. He has a BA in English Literature and an MA in twentieth century literature, film, and television, both from Newcastle University. He is the author of the H.I.V.E. series and the Earthfall Trilogy and lives with his family in the United Kingdom.
Drew Willis is an art director and illustrator working in New York City. Visit him at DrewWillis.com.