Isabel Sanchez 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. Natascha Rosenberg was born in Germany, and grew up in Spain. She started off studying Law, before doing what felt right: working as a freelance illustrator. You can find her work in children's books, magazines, CD Covers, exhibits, and even on toys.