<i>Once children begin to read, they also need practice differentiating between vowel sounds, recognizing sight words and strengthening comprehension. Now I'm Reading Level 1 Advanced challenges beginning readers by mixing up the five short vowels that were previously introduced in the Level 1 titles. Now I'm Reading Level 1 ADvanced gives children the opportunity to master reading short vowel words before moving on to long vowels in Level 2. </i> <p>Join yaks, bats, and chimps in 10 clever stories that build on the short vowel sounds introduced in Level 1. Each story combines two or more short vowels to challenge kids to differentiate vowel sounds. It's a great way to further reinforce strong reading skills and build reading success!