Yes. Several of the eBooks made it to their third edition, and many have had one or more minor revisions along the way even if they haven't been updated to a full new edition.
What's the difference between a revision and a new edition?
- A new edition means I've added substantial new material or made substantive changes to what's in the book. This is often because of a significant firmware update or an additional model change (e.g. D3 changes to D3s). New editions are identified by the first number in the version ID: 3.00 would be third edition.
- A revision generally only corrects errors or rewords passages people found confusing. Identified by the second number in the version ID: 3.01 would be the second revision of the third edition.
With the move to all electronic distribution, my policies on updating have changed:
- I provide small revisions as a free update to previous purchasers for a limited period of time after they come out. An automated email is sent to purchasers of the original with a new link to the update.
- New editions would have to be re-purchased. I send an email to all purchasers of the original with a discount offer for the new edition that has a time limit to being applied (typically 90 days).