HTML & CSS
When will be new book Edition like:
It is version from year 2010 April.
You'll need to ask Sitepoint direct for that question as the forums have nothing really to do with the book publications.
Given that HTML email is pretty much still in the dark ages—requiring coding practices from the 1990s—I don't think you need to worry too much about a book from 2010 being out of date.
Anyhow, the book was written by one of the staff from CampaignMonitor, and on their blog and elsewhere on their site they present very up-to-date information about what's happening in the world of HTML email.