Level 1: Pre-Emerging: This 5-level guided reading system helps kids master verbal, reading, and writing skills - starting at any level. Every app, storybook, and video has been hand-selected to help kids gain the knowledge they need to transition from learning-to-read to reading-to-learn. Pre-Emerging packs are ideal for readers who have reached the following milestones: - Forms 3 to 4 word sentences - Can talk and carry on conversations - Continues to grow vocabulary - Listens to stories, simple songs, and nursery rhymes - Recognizes letters" - Publisher description.