There have been a few different versions of The Decktet Book.

Which version do I have?

On the second page of the book, to the right of the copyright notice, there is a letter and number in a square frame. That's the version number. For example, the scrap below is from version A.2.

[version example]

Version History

version A.1, preprint draft; You only have one of these if you got it from me.

13feb2010: version A.2, first public release; only minor changes from the preprint draft:

31mar2010: version A.3, minor corrections - including:

version B.1, preprint draft of the Revised and Expanded edition. You might have seen this if you were involved in editting.

30oct2011: version B.2, first public release of the Revised and Expanded edition.