Zizou Corder is Louisa Young and Isabel Adomakah 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. This is their second novel - the next in the Lionboy trilogy. They all live in London. Only one goes to school.