Usage:
bibleverse [book|category of books]
    Where "book" is the name of the book. The following are all valid ways of
    specifying the book of Genesis:
        Genesis, genesis, Gen., Gen, Gn., Gn., gen, gn
    Available categories of books include:
        All [the default], Apocrypha, Epistles, Gospels, Johannine, Law, New
        Testament, Old Testament, Pauline, Prophets, Protestant Old Testament,
        All Wisdom Literature, Protestant Wisdom Literature
    Quotes around spaces are permitted, but not needed: for all wisdom
    literature, sample usage is:
        bibleverse all wisdom literature
