oh keith, where have _you_ been?
_of_course_ it's legal. perfectly so.
plus it is _far_ from being unethical.
(well, some of these outfits are trying to
shut down access to free copies because
they claim copyright on their own version,
and that indeed falls on the unethical side,
but that's some whole other kettle of fish.)
educate yourself fully before you post, ok?
-bowerbird