This is perhaps the most precise and effective English language course for kids.It covers all the four skills of language, viz. listening, speaking, reading and writing.
There are TEN books in this package, for kindergarten to grade 8.
10 books in pdf = $5.
10 books in pdf + audio files = $15.
10 books in pdf + audio files + teacher's guide = $25.
AUDIO and TEACHER'S GUIDE are available!