If the devil is in the details, he"s all over punctuation--those seemingly innocuous black-and-white marks that can nonetheless make all the difference in the meaning of a sentence. This bantamweight reference tool can help you make sure you know the applicable punctuation rules for every conceivable situation, from apostrophes with possessives to commas with a series of nouns. Tuck it into your pocket and you"ll never be at a loss when faced with a semicolon.