Robert Macfarlane is the author of a number of bestselling and prize-winning books including The Wild Places, The Old Ways, Holloway and Landmarks. His work has been translated into many languages and widely adapted for film, television and radio, and his essays have appeared in the New Yorker, Granta and the Guardian.

Most recently, the American Academy of Arts and Letters awarded him the EM Forster Award for Literature 2017. Robert Macfarlane is a Fellow of Emmanuel College, Cambridge, and is presently completing Underland, about underworlds real and imagined.

Emily Sutton graduated from Edinburgh College of Art with a degree in illustration. As well as illustrating picture books, she paints, sculpts and designs prints.

Her first book with Walker, Tiny: The Invisible World of Microbes, written by Nicola Davies, began an exciting new strand of very young non fiction; her second was the beautiful picture book The Christmas Eve Tree, a future classic. Emily lives in York.