<p>Level 4 introduces readers to long vowel sounds through repetition and exposure. The level 4 books are progressive and encourage learning of vowel combinations and rules.The next 10 Tippie adventures are proudly South African and build on the skills acquired in the previous levels. The text is supported by colourful, engaging illustrations to support comprehension and the learning of long vowel sounds. Additionally, the stories have been written to encourage inference and problem solving through the stories and images to enhance the reader's skill and fun!</p>