It Couldn't Just Happen
The book It Couldn’t Just Happen has been reprinted several times and included some minor changes with each printing. All of these different printings use the same cover, ISBN, and copyright date of 2011.
Some of these changes include grammatical improvements and research updates. All the versions that have been printed since 2015 can be used successfully in a CC community. The publication date of the book can be found on the bottom of the copyright page. See sample copyright page Sample Copyright Page from It Couldn't Just Happen