Because I can't keep up with all of tech, I usually get books from publishers I trust. First on that list is O'Reilly's. These guys are not on the list. Also if

Because I can't keep up with all of tech, I usually get books from publishers I trust. First on that list is O'Reilly's. These guys are not on the list. Also if I buy through Amazon, I buy used. Cuts down on a lot of crap.