Guest Blogger Arlene Miller, The Grammar Diva, gives us a sneak preview into her recently published second edition of The Best Little Grammar Book Ever! If you are a member of the nerdy world of grammarians, you know that there are “controversial” grammar topics. One of those is the use of the Oxford comma. Another is the use of the singular they. I use the Oxford comma, and I don’t use the singular they. But both these issues are up to you. Let’s talk about the singular they. They is a pronoun. A pronoun is a word that stands in for a noun. We know that they is third person plural. Third person singular pronouns are he, she, and it. Now how many times have you said, or heard someone say, Everyone is bringing their book to the meeting or something similar? Let’s pick that sentence apart: This is an issue of…