Introduces the sounds of the alphabet and adjacent consonants. Unit 1: s, a, t, i, m, Unit 2: n, o, p, Unit 3: b, c, g, h, Unit 4: b, c, g, h, Unit 5: k, l, r, u, Unit 6: j, w, z, Unit 7: x, y, ff, ll, ss, zz Unit 8: VCC, CVCC Unit 9: CCVC Unit 10: CCVCC 10 BOOKS