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. Developing packs are ideal for readers who have reached the following milestones: Can recount a story with descriptive detail; Asks for clarification when needed; Starts to decode unknown long vowel words; Reads text with accuracy; Writes using a topic; Will spell more complex, long vowel words