I just finished Pattern Recognition. It's a great book. I couldn't put it down (I read the last half of the book today, after getting home from visiting my son). It's some strange combination of Lost in Translation, Minority Report (the movie, not the original), a Robert Ludlum novel (pick any one), and my life, and it really works.
Not sure about the ending. It still feels a bit funny. But I won't say more to avoid spoilers.
So, why the difference? Usually, if I dislike a book enough to shove it aside, I never like any of the author's work. <shrug>