Totally AWESOME Computer Textbook Covers

reddit has a thread on the main page, started by someone pointing to this rocking cover for “Modern Operating Systems - Second Edition” (click for hi-res version). Any designer who can work clowns and horse crap into an information graphic deserves some form of adulation:

Someone then brought attention back to this classic, “Forth on the ATARI: Learning by Using”:

And then there’s “Building Accessible Websites”, the humor of which may be difficult to explain to Grandma: