Kevin Crossley-Holland is a well-known poet and prize-winning author for children. His books include Heartsong, with Jane Ray, a collection of Poems, The Breaking Hour, both published in 2015, The Riddlemaster, published in June 2016. His retelling of traditional tales for Walker are Norse Myths, Norse Tales, Between Worlds and King Alfred and the Ice Coffin.
The Seeing Stone won the Guardian Children's Fiction Award, the Smarties Prize Bronze medal, and the Tir na n-Og Award. His Arthur trilogy has won worldwide critical acclaim, sold well over one million copies, and been translated into twenty-five languages.
Chris Riddell is one of the country's finest children's book illustrators, and was Children's Laureate from 2015–17. He has won the Kate Greenaway Medal three times – for Pirate Diary, Gulliver's Travels and The Sleeper and the Spindle. He is a political cartoonist for the Observer and has collaborated with Paul Stewart on the extremely popular Edge Chronicles and Muddle Earth series. In recent years he has had success writing and illustrating his own books, including the Ottoline stories and Goth Girl and the Ghost of a Mouse, which won a Costa Book Award – and he illustrated J.K. Rowling's Tales of Beedle the Bard.