For years, Bob Books Sets have been parent and teacher favorites for helping emerging readers build confidence in their decoding skills. In Bob Books Collection 6, readers from the First Stories set and Rhyming Words set come with a Parent Guide and 40 puzzle flashcards, along with motivational tools like a bookmark, more than 100 stickers, and a doorknob hanger. Readers progress through Graded Reading Levels A through E, with repetition of short vowels and three- and four-letter words in simple sentences. Softcover booklets in storage box. Ages 4 and up.