Apostrophes: A Concise Grammar Guide

What possessed us to write a grammar guide to apostrophes? After seeing the umpteenth inappropriately placed apostrophe, a few expert proofreaders wanted to share a few tips about when to use this punctuation mark and how to get it right every time. Whether you want to indicate possession or the omission of letters or numbers, here’s a concise, easy-to-use grammar guide to apostrophes.