Is it this "Xpath 2.0 Programmer's Reference
"??? one you guys talking about.
http://www.amazon.com/exec/obidos/tg/detail/-/0764569104/qid=1
083098991/sr=1-8/ref=sr_1_8/103-7826543-4090201?v=glance&s=books
Yes, that's the one (and that's me on the cover).
Michael Kay