The Read Write Inc. Phonics storybooks provide structured practice in decoding words and reading through phonics. Each set of books is carefully graded so that children can read them with confidence, as soon as they have learned the sounds linked to the set. There are seven sets of books , with 10-13 books in each set.The Read Write Inc. Phonics storybooks provide structured practice in decoding words and reading through phonics. Each set of books is carefully graded so that children can read them with confidence, as soon as they have learned the sounds linked to the set. There are seven sets of books , with 10-13 books in each set.