Zizou Corder is Louisa Young and Isabel Adomakoh Young, whose names are too long to fit on the front of a book. Louisa is a grown-up and has written five grown-up books; Isabel is a kid and has written mostly schoolwork. The original Zizou is Isabel's lizard, only he spells it Zizu. They Have written five books together: the highly acclaimed Lionboy trilogy, Lee Raven Boy Thief and Halo. They live in London. Only one goes to school.