ROBERT MACFARLANE's Sunday Times- and New York Times-bestselling books include Is a River Alive?, Underland, Landmarks, The Old Ways, The Wild Places and Mountains of the Mind, as well as a book-length prose-poem, Ness. His work has been translated into more than thirty languages, won prizes around the world, and been widely adapted for film, music, theatre, radio and dance. He has also written operas, plays, albums, choral works, and films including River and Mountain, both narrated by Willem Dafoe. He has collaborated closely with artists including Olafur Eliasson, and with the artist Jackie Morris he co-created the internationally bestselling books of nature-poetry and art, The Lost Words and The Lost Spells. In 2017, the American Academy of Arts and Letters awarded him the E.M. Forster Prize for Literature, and in 2023 in Toronto he was the inaugural winner of the Weston International Award for a body of work in the field of non-fiction. He is a Fellow of Emmanuel College, Cambridge, and is presently working on a graphic-novel re-telling of the Epic of Gilgamesh.

JACKIE MORRIS has written or illustrated over seventy books, including the beloved children's classics Tell Me a Dragon and East of the Sun, West of the Moon and a volume of modern folklore for readers of all ages, Wild Folk, co-created with Tamsin Abbott, as well as introducing and illustrating Barbara Newhall Follett's gem of wild literature, The House Without Windows. She is the internationally bestselling and award-winning co-creator of The Lost Words and The Lost Spells, two books which have captured the hearts of hundreds of thousands of readers of all ages. In 2018 she won the Kate Greenaway Medal and the British Book Awards Children's Book of the Year for The Lost Words. Her artwork is held by public art collections in the UK and USA and has been published in the New Statesman, Independent and Guardian among other venues. She tours and performs with the Spell Songs ensemble around the UK, and is a Fellow of Herefordshire Art College.