A quick visual inspection of the books revealed no titles; the one bound in purple-dyed leather was locked, the lock being fashioned in the shape of a scarab with a single eye - the keyhole - on its carapace. Of the other three, one was bound in jet-black leather with no marks, a smooth surface not entirely unlike a starless night. The leather binding the other two definitely did not start its existence as cow; they bore what appeared to be holy symbols imprinted into their covers.<br/><br/>( Know: Nature to identify the leather, Know: Religion to identify the symbols )