Yeah, I've also seen O'Reilly books where they did allow people to distribute the "official" typeset pdf: http://caml.inria.fr/pub/docs/oreilly-book/ http://ca

Yeah, I've also seen O'Reilly books where they did allow people to distribute the "official" typeset pdf: http://caml.inria.fr/pub/docs/oreilly-book/ http://caml.inria.fr/pub/docs/oreilly-book/ But I think at worst, this link would be gray-market rather than black market. Of course the original link has no context, so I can see why the OP expressed concern.