The book that is owned.
A Universe Explodes, by Google’s own Tea Uglow, is a story of a parent losing their grip on reality. It is also an experiment using Blockchain to explore new models for distributing and owning digital artefacts. Available soon through http://www.editionsatplay.com
More:
About Culture Blocks: https://youtu.be/sD73GYH6PbQ
About the Blockchain: https://youtu.be/AmPwIgAqIfM
Check out the story here.