Update: the book is now in live public beta. Check the right bar now for the link
Time to see if there is an audience for the book.
If Richard Fabian gets more than 100 people commenting on his post then he has promised to upload and publish his work in progress book on Data-Oriented design to this very website.
If this happens, we will be replacing the signup link with the link to the full book which will be updated as it progresses towards a printable version.