Have you considered a Creative Commons license for the book? The Attribution-ShareAlike (CC-BY-SA) license may be what you're looking for.
Releasing a book under a formal, tried-and-tested license like a CC license, is better than a simple statement of intent like what you have now.
Have you considered a Creative Commons license for the book? The Attribution-ShareAlike (CC-BY-SA) license may be what you're looking for.
Releasing a book under a formal, tried-and-tested license like a CC license, is better than a simple statement of intent like what you have now.