In book 3a, Peter and Jane have fun doing things they like in 36 new words including 'me', 'tea', 'bed' and 'give'. Once this book has been completed, the child moves on to book 3b.In book 3a, Peter and Jane have fun doing things they like in 36 new words including 'me', 'tea', 'bed' and 'give'. Once this book has been completed, the child moves on to book 3b.