Will covers the basics, classics for sure! Arno (who has been on KOTR to answer our questions) has a sequel out, Espresso Lessons. For basics on sport climbing and training, Betty and the Silver Spider is a comic book written by the late, great Craig Luebben.
"If you can't do something well, you might as well learn to enjoy doing it poorly."
-- from a de-motivational poster, but I find it oddly liberating