Kevin Crossley-Holland is a Carnegie Medal-winning author, as well as a poet, librettist, reteller, and teacher. His Arthur trilogy won worldwide critical acclaim, sold well over one million copies, and has been translated into twenty-five languages. He has translated Beowulf from the Anglo-Saxon, and his retellings include Between Worlds: Folktales of Britain and Ireland, illustrated by Frances Castle, and Norse Myths: Tales of Odin, Thor, and Loki, illustrated by Jeffrey Alan Love. After seven years teaching in the US, where he was a Distinguished Fulbright Visiting Professor at St. Olaf College and held an Endowed Chair in the Humanities at the University of St. Thomas, both in Minnesota. Kevin Crossley-Holland and his American wife now live on the north Norfolk coast in East Anglia.

Jeffrey Alan Love is the award-winning author and illustrator of The Hero's Quest, The Thousand Demon Tree, and Notes from the Shadowed City. He's the winner of the 2019 Dutch Zilveren Penseel (Silver Brush) Award for Norse Myths: Tales of Odin, Thor, and Loki by Kevin Crossley-Holland, the recipient of the 2017 World Fantasy Award for Best Artist and the 2018 British Fantasy Award for Best Artist. Jeffrey Alan Love lives in Northern California.