Jorge Luján is an author, poet and musician who has published forty-four books and recorded eight CDs. With many of the world's greatest illustrators, he has created an outstanding body of work -- translated into 15 languages -- including Stephen and the Beetle, illustrated by Chiara Carrer; Doggy Slippers and Numeralia, illustrated by Isol; Colors! ¡Colores!, illustrated by Piet Grobler; Moví la mano / I Moved My Hand, illustrated by Mandana Sadat; and Brunhilda and the Ring, illustrated by Linda Wolfsgruber. Jorge has just published his first novel, Salando el río con una cucharita (Salting the River with a Teaspoon). Among other distinctions, he has won the Premio de Poesía para Niños de ALIJA (IBBY Argentina) and has been nominated four times for the Astrid Lindgren Memorial Award. See more of his work on Facebook (Jorge Luján. Poesía y Música), on the Jorge Luján YouTube channel, on his Bandcamp page, Soundcloud and jorgelujan.net. Piet Grobler is a world-renowned illustrator of children's books.

He has illustrated more than eighty books, which have been published in many languages, and he has won a number of awards, including two silver medals at the Noma Concours (Japan), the Octogone de Chêne (France) and a Golden Apple at the Biennial of Illustration in Bratislava. He lives in Pretoria and is the visiting Professor in Illustration at the University of Worcester, in the United Kingdom.John Oliver Simon is a translator who lives in Berkeley, California.Rebecca Parfitt is a translator who lives in DeKalb, Illinois.