LADYBIRD BOOKS Asu: Kovakantinen kirja Julkaisuvuosi: 2004, 01.05.2004 (lisätietoa) Kieli: Englanti
Book 1a introduces Peter and Jane in 16 new words including 'and', 'I', 'likes' and 'has'. Once this book has been completed, the child moves on to book 1b.