Infant and young toddler books are typically made of sturdy stuff - board or cloth books can handle the sometimes rougher use. Books for young children rely on strong illustrations, word rhythm and rhyme, as well as word repetition to deliver the story. Early reading books also use repetition along with simple words and basic sentence patterns. These early readers often allow for children to bring in phonic techniques to discover new words. The use of illustrations that help the reader decipher content is important. As children grow to be more confident readers the need for illustrations on every page starts to fade as they take the story context to a new level - one where they are seeing the story develop not in an illustration but in their own mind.