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; Connects thoughts to pictures; Early letter writing; Listens to stories, simple songs, and nursery rhymes; Knows most letter sounds