In book 8b, Peter and Jane's family look after a friend's house in 91 new words including ' sunny', 'private', 'room' and 'dressing'. Once this book has been completed, the child moves on to book 9b.In book 8b, Peter and Jane's family look after a friend's house in 91 new words including ' sunny', 'private', 'room' and 'dressing'. Once this book has been completed, the child moves on to book 9b.