Because our aim is for the atlas to be a first-class reference tool that is still useful long after publication, we encourage all users of the Digital Atlas to advise us of any errors that they may find in the atlas as well as to suggest new material and other improvements to its contents and operation.

Please send such feedback to [email protected].

In time, as such changes are implemented, users of the Digital Atlas will be able to go to a changes log on this website to view a list of corrections and updates to the atlas. (Note that only registered owners will have full access to this updated/new material.)

Moreover, registered owners of the Digital Atlas are welcome to request additional help in their use of the atlas. (This, of course, is another good reason why you should not only buy but also register your copy of the Digital Atlas.)