Pfister, Marcus: - Marcus Pfister was born in Bern, Switzerland. After studying at art school in Bern, he trained as a graphic artist. His first picture book was published by NordSüd in 1986, but his breakthrough as author and illustrator came in 1992 with the publication of The Rainbow Fish. Since then he has published more than 60 books, which have been translated into about 65 languages and have won many international awards. He lives with his family in Bern.

Schimel, Lawrence: - Lawrence Schimel is a bilingual (Spanish/English) author and literary translator, who divides his time between his native New York and Madrid, Spain. He has published over 130 books as an author, which have won honors such as a Crystal Kite Award from the Society of Children's Book Writers and Illustrators, a White Raven from the International Youth Library in Munich, and have been chosen by IBBY for Outstanding Books for Young People with Disabilities (three times). He has also published over 160 books as a literary translator, into Spanish or English, which have won numerous distinctions, including a Batchelder Honor and a New York Times Best Illustrated Children's Book.
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Lawrence Schimel es un escritor y traductor literario bilingüe (español/inglés), que divide su tiempo entre su ciudad natal de Nueva York y Madrid, España. Ha publicado más de 130 libros como autor, que han ganado honores como un Premio Crystal Kite de la Society of Children's Book Writers and Illustrators, un White Raven de la Biblioteca Internacional Juvenil en Munich, y han sido elegido por IBBY para Outstanding Books for Young People with Disabi-lities (tres veces). También ha publicado más de 160 libros como traductor, al español o al inglés, que han ganado muchos reconocimientos, como un Batchelder Honor y un New York Times Best Illustrated Children's Books.