Each stage introduces new letters/sounds while supporting previously taught phonic letters/sounds and high-frequency words, or sight words.

Book 1: Sam and Tim (s, a, t, i, m)
Book 2: The Nap (n, o, p)
Book 3: In the Can (b, c, g, h)
Book 4: At the Vet (d, e, f, v)
Book 5: Red Gum (k, l, r, u)
Book 6: Meg and the Bun (j, w, z)
Book 7: Up a Big Hill (x, y, ff, ll, ss, zz)
Book 8: Lost in the Pond (VCC, CVCC)
Book 9: The Trap (CCVC)
Book 10: Punk and the Plums (CCVCC)

Accompanying reproducible activities for word building, reading, spelling, and comprehension can be found in Phonic Books Dandelion Readers Sets 2 and 3 Units 1-10 Reading and Writing Activities.