Jonathan was born in Leicestershire in 1965. Best known as a picture book author, his writing is inspired and influenced by the picture books he read as a child including Where the Wild Things Are by Maurice Sendak and The Cat in the Hat by Dr. Seuss. Emmett developed his writing and illustration skills while at Nottingham University studying architecture. He began writing and illustrating children's books in his spare time while working as an architect, but left the profession in 1995 to pursue a career in children’s literature. He has since written over fifty children’s books and his work has been translated into over 30 different languages. He is the author of Princesa y sapo. He lives in Nottingham, England.