The November 25 response is partially correct.
To folks in the US, it is $12, to folks outside the US it is $15.
The price is actually $12.
The 2011 print edition of Mexico's Revenue Stamps has been been completely reviewed and an updated Digital Only version is ready for sale to members.
The new edition is $15 postage paid to members.
If your computer has a DVD media drive, this will work for you. No print version is available.
Contact me for details or reference the email sent you last weekend.