"Is There a Difference Between the Hardcover and Kindle/Nook Version of 'Warnings'?"

Yes, there is. The Kindle and Nook versions have about a dozen extra color photos that do not appear at all in the hardcover edition. Otherwise, the hardcover and ebooks are the same.

Regardless of which version you have, go to:  http://www.warningsbook.com   and follow the instructions to unlock exclusive video and other content. An exclusive for Warnings' readers.