"Programming XForms" by Kenneth C. Feldt has a chapter on XForms
I may be late to this party, but I just saw a copy of the new O'Reilly
book "Programming XForms" by Kenneth C. Feldt and its Chapter 0 on
XForms. You can see it at http://safari.oreilly.com/0596102437/xforms if you have Safari Bookshelf, or if you order a copy there.
This is the first XForms book in print that addresses CSS in a pragmatic