There are 12 books currently in our Mochi Story Library. The core kit comes with 1 book. However, there are 11 additional storybooks ranging from colors, letters, numbers, and words, to animals, biology, and astronomy. Our books as sold as Story Packs. Each Story Pack comes with new interactive audio files (sounds, songs, feedback), a high-quality machine-washable fabric map, the accompanying full-color storybook, and new coding blocks that introduce additional concepts.