The 72 books in this series (12 per pack) cover the full range of phonics skills--from short vowels, consonants, blends, and digraphs (Pack 1-2); long vowels and more blends and digraphs (Pack3); more long vowels, and r-controlled vowels (Pack 4); compound words, constractions, plurals, and multisyllabic words (Pack 5); and possessives; homophones, irregular plurals, and multisyllabic words (Pack 6).
These books provise follow-up practice for phonics instruction and offer a complete basic course in decoding. They are less controlled than series such as Phonics Readers and Decodable Readers, and therefore offer more challenging texts. Their high-interest level makes them ideal for independent reading practice.