You mean the edition Thinkers 2000 ? See www.schaakboek.nl , you can buy it there for 9 euro.
Action Chess: Purdy's 24 Hours Opening Repertoire, by C.J.S. Purdy

Well, I have this. Just don't ask me how much I've studied it. I started into it, then decided to make a pgn file of all positions/moves in the book. I can't remember if I finished the pgn, haha. (I sometimes start one of these opening studies and then soon lose interest. I guess openings don't thrill me as much as other aspects of chess.
)
In case you don't get any personal testimony, here are several reviews that you might not have seen:
http://www.chesscafe.com/text/actionchess.txt
https://web.archive.org/web/20120412093710/http://jeremysilman.com/book_reviews_rb/rb_actn_chss_prdy_24_rep.html
http://theweekinchess.com/john-watson-reviews/coping-with-the-flood-part-1
(In the Watson review, Purdy's book in the second-from-last book reviewed (i.e. near the bottom of the review)).
Does anyone have this?