A while back I grabbed copies of both Practical Anonymity — link goes to my review — and the Incognito Toolkit, I think the former should have been more like the latter. The biggest complaint I had about Incognito was that it was self published. It showed in the writing.
I got a copy of Practical Anonymity by Peter Loshin a while back via O’Reilly, had a sell on it. I finished it about two weeks ago. For what it sounded like it would be, I’m disappointed. I was expecting something more along the lines of “How to be Invisible”. For what it was, it was pretty good.