Jackie Morris is celebrated both as an author and an artist (illustrator of The Lost Words (2017) and author and illustrator of The Seal Children (new edition 2012). Artist in Residence at the Hay Festival in 2017, she lives at St David's, in Wales, maintains a very lively and informative blog, and is much in demand for story and illustration sessions, and signings.

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.