There are 6 books at Stage 1+:* Book 1 practises 's a t p'* Book 2 practises 'i n m d'* Book 3 practises 'g o c k'* Book 4 practises 'ck e u r'* Book 5 practises 'h b f ff'* Book 6 practises 'l ll le ss'Each sound is explored through an ...