by Regina Spektor
The Bible, obviously, or the Torah (Tanakh). If you can get your hands on a tangible copy, you might just feel the age and weight of it a little more.
A startling theory, well-written piece in which the author, Leonard, Shlain, argues his claim that the rise of alphabetic literacy led to a decline in women's rights through history, comparative religion, anthropology, art, music, neuroscience, etc. An amazing book.