Mª ISABEL SÁNCHEZ VERGARA, born in Barcelona, Spain, is a writer and creative director in constant search of new concepts for children's books. Working for more than fifteen years for clients in top advertising agencies, her books combine creativity with learning, aiming to establish a new and fresh relationship between children and pop culture.
Christine Roussey is the illustrator of Hello in There! and In My Heart: A Book of Feelings (Abrams). She works in advertising, as well as with newspapers, magazines and publishers. She lives in Paris.