The Best Punctuation Book, Period

A Comprehensive Guide for Every Writer, Editor, Student, and Businessperson

Look inside
From the author of It Was the Best of Sentences, It Was the Worst of Sentences, this new reference from grammar columnist June Casagrande covers the basic rules of punctuation to offer clear answers to perplexing questions about semicolons, quotation marks, periods, apostrophes, and includes handy icons to show how punctuation rules differ for all styles, including AP (Associated Press), MLA (Modern Language Association), and Chicago Manual of Style.

This handbook features rulings from an expert “Punctuation Panel” so readers can see how working pros approach sticky situations. The second half of the book features an alphabetical master list of commonly punctuated terms, combining rulings from the major style guides and showing precisely where they differ.
JUNE CASAGRANDE is a veteran journalist and syndicated columnist. She is the author of Grammar Snobs Are Great Big Meanies and Mortal Syntax (Penguin). She is a former Los Angeles Times staff reporter, and her “A Word, Please” grammar column currently appears in several community news sections. She has also studied improvisational comedy with renowned troupes the Groundlings and ComedySportz. View titles by June Casagrande
Introduction: Punctuation Is Easy, Except When It’s Not
How to Use This Book

Part I. Guidelines
Apostrophe
Comma
Period
Colon
Semicolon
Quotation Mark
Single Quotation Mark
Question Mark
Exclamation Point
Ellipsis
Hyphen
Em Dash
En Dash
Parenthesis
Bracket
Slash and Backslash
Lists
Numbers and Addresses


Part II. Punctuation A to Z


Appendix A: Understanding Grammatical Units:
Phrases, Clauses, Sentences, and Sentence Fragments
Appendix B: Identifying Parts of Speech for Better Punctuation
Acknowledgments
About the Author and Punctuation Panel
Index
Introduction: Punctuation Is Easy, Except When It’s Not
Punctuate this:
In general the writer who did well in college earning As and Bs knows that a young aspiring middle grade novelist has an equally good reason to join the writers group because what it is is a line up of super creative people who for conscience sake treat it like a sub group of their audience to gauge the readers sensibilities and practice copy editing something they started in the 1960s and 70s because it was in the founders words far out

Did you put a comma after in general? Did you put commas after writer, college, Bs, and group? Did you put apostrophes in A’s, B’s, writers’, conscience’, readers’, ’70s, and founder’s? Did you put hyphens in middle-grade, super-creative, and sub-group? Did you put a dash before something? Did you put quotation marks around far out but insert a period between the word out and the closing quotation mark?

If so, your passage probably looks a lot like this:
In general, the writer, who did well in college, earning A’s and B’s, knows that a young aspiring middle-grade novelist has an equally good reason to join the writers’ group, because what it is is a line up of super-creative people who for conscience’ sake treat it like a sub-group of their audience to gauge the readers’ sensibilities and practice copy editing—something they started
in the 1960s and ’70s because it was, in the founder’s words,
“far out.”

And you might think your polished, carefully punctuated passage is perfect. But you’d be wrong. 
The Los Angeles Times would disagree with your apostrophes in A’s and B’s. Per that newspaper, it should be A’s and Bs. The Chicago Manual of Style would disagree on different grounds: in that style, it should be As and Bs. Any book editor would swiftly change your copy editing to copyediting. Then there’s your punctuation of “far out.” Most editors outside the United States would swap the places of your period and closing quotation mark.

It gets worse: your punctuation marks could even be creating factual errors. The writer, who did well in college refers to someone different than does the writer who did well in college. That comma changes the identity of the subject and even the number of people it represents because the writer who did well in college can refer to every student who did well in college. 

Are you really sure that just one founder called it far out? Or could those be the founders’ words? How sure are you that you’re talking about the readers’ sensibilities and not the reader’s sensibilities? Are you certain you want to leave line up as two unhyphenated words? Are you confident that an em dash is a better choice for setting off that final thought than parentheses or a colon? How would you explain your choice to leave a comma out of what it is is?

How would you feel if, after leaving a comma out of young aspiring middle-grade novelist, you saw a highly respected publication use the same phrase except with a comma after young?

On the surface, punctuation is simple stuff: a system of clear, well-documented rules we all learned in school. But when you sit down to write an article or a story or a business email or a blog post, suddenly it’s not so simple. One after another, situations arise in which the basic rules you thought you knew are no help at all. If you start looking for answers, it can get even more confusing. One of the most well-respected and influential style guides in the country will tell you to put just one comma in red, white and blue. But if you take that as gospel, you’ll be lost when you notice that nearly every book you pick up prefers to throw in another comma before the and, writing it red, white, and blue.
And heaven help you if you start paying attention to how professional editors use hyphens. The truth is, punctuation can be very difficult. Professional writers don’t know it all. Even professional editors look things up, debate them with colleagues, and are sometimes still left guessing.

No one knows everything there is to know about every punctuation mark, and no one is expected to. But that leaves any amateur or professional writer to ask: So what am I expected to know? Will I look stupid if I put a comma here or an apostrophe there? Or do even professional editors share my confusion on this matter?
A lot of people assume that there’s a single correct answer for every punctuation conundrum. Either a comma belongs in a certain spot or it doesn’t. Either the possessive of James is formed by adding an apostrophe plus an s, or it’s formed by adding the apostrophe alone.

The good news here is also the bad news: often there’s more than one right answer. Whether to use a certain punctuation mark can be a matter of choice—the writer’s way of emphasizing his meaning, creating rhythm, or making the words more pleasing to the eye. Other times these questions boil down to a matter of style—the kind with a capital S that’s laid down by one of the publishing world’s official playbooks. Still other times, there is only one correct choice, and if you fail to choose it, you can inadvertently change your meaning.

The goal of this book is let you punctuate every sentence, even those that fall into the gray areas of punctuation rules or style differences, with complete confidence.
Ridiculously useful. The best book on punctuation I’ve ever seen.
—Mignon Fogarty, author of Grammar Girl’s Quick and Dirty Tips for Better Writing

Invaluable reference work for professional proofreaders, editors, and writers because it is the only book that presents Chicago, AP, APA, and MLA conventions side by side. (Acronym-free translation: for each use of each punctuation mark, this book clearly explains and illustrates the practices used by book publishers, the news media, social science publications, and nonscientific academic papers and journal articles.)
—Amy Einsohn, author of The Copyeditor’s Handbook


About

From the author of It Was the Best of Sentences, It Was the Worst of Sentences, this new reference from grammar columnist June Casagrande covers the basic rules of punctuation to offer clear answers to perplexing questions about semicolons, quotation marks, periods, apostrophes, and includes handy icons to show how punctuation rules differ for all styles, including AP (Associated Press), MLA (Modern Language Association), and Chicago Manual of Style.

This handbook features rulings from an expert “Punctuation Panel” so readers can see how working pros approach sticky situations. The second half of the book features an alphabetical master list of commonly punctuated terms, combining rulings from the major style guides and showing precisely where they differ.

Author

JUNE CASAGRANDE is a veteran journalist and syndicated columnist. She is the author of Grammar Snobs Are Great Big Meanies and Mortal Syntax (Penguin). She is a former Los Angeles Times staff reporter, and her “A Word, Please” grammar column currently appears in several community news sections. She has also studied improvisational comedy with renowned troupes the Groundlings and ComedySportz. View titles by June Casagrande

Table of Contents

Introduction: Punctuation Is Easy, Except When It’s Not
How to Use This Book

Part I. Guidelines
Apostrophe
Comma
Period
Colon
Semicolon
Quotation Mark
Single Quotation Mark
Question Mark
Exclamation Point
Ellipsis
Hyphen
Em Dash
En Dash
Parenthesis
Bracket
Slash and Backslash
Lists
Numbers and Addresses


Part II. Punctuation A to Z


Appendix A: Understanding Grammatical Units:
Phrases, Clauses, Sentences, and Sentence Fragments
Appendix B: Identifying Parts of Speech for Better Punctuation
Acknowledgments
About the Author and Punctuation Panel
Index

Excerpt

Introduction: Punctuation Is Easy, Except When It’s Not
Punctuate this:
In general the writer who did well in college earning As and Bs knows that a young aspiring middle grade novelist has an equally good reason to join the writers group because what it is is a line up of super creative people who for conscience sake treat it like a sub group of their audience to gauge the readers sensibilities and practice copy editing something they started in the 1960s and 70s because it was in the founders words far out

Did you put a comma after in general? Did you put commas after writer, college, Bs, and group? Did you put apostrophes in A’s, B’s, writers’, conscience’, readers’, ’70s, and founder’s? Did you put hyphens in middle-grade, super-creative, and sub-group? Did you put a dash before something? Did you put quotation marks around far out but insert a period between the word out and the closing quotation mark?

If so, your passage probably looks a lot like this:
In general, the writer, who did well in college, earning A’s and B’s, knows that a young aspiring middle-grade novelist has an equally good reason to join the writers’ group, because what it is is a line up of super-creative people who for conscience’ sake treat it like a sub-group of their audience to gauge the readers’ sensibilities and practice copy editing—something they started
in the 1960s and ’70s because it was, in the founder’s words,
“far out.”

And you might think your polished, carefully punctuated passage is perfect. But you’d be wrong. 
The Los Angeles Times would disagree with your apostrophes in A’s and B’s. Per that newspaper, it should be A’s and Bs. The Chicago Manual of Style would disagree on different grounds: in that style, it should be As and Bs. Any book editor would swiftly change your copy editing to copyediting. Then there’s your punctuation of “far out.” Most editors outside the United States would swap the places of your period and closing quotation mark.

It gets worse: your punctuation marks could even be creating factual errors. The writer, who did well in college refers to someone different than does the writer who did well in college. That comma changes the identity of the subject and even the number of people it represents because the writer who did well in college can refer to every student who did well in college. 

Are you really sure that just one founder called it far out? Or could those be the founders’ words? How sure are you that you’re talking about the readers’ sensibilities and not the reader’s sensibilities? Are you certain you want to leave line up as two unhyphenated words? Are you confident that an em dash is a better choice for setting off that final thought than parentheses or a colon? How would you explain your choice to leave a comma out of what it is is?

How would you feel if, after leaving a comma out of young aspiring middle-grade novelist, you saw a highly respected publication use the same phrase except with a comma after young?

On the surface, punctuation is simple stuff: a system of clear, well-documented rules we all learned in school. But when you sit down to write an article or a story or a business email or a blog post, suddenly it’s not so simple. One after another, situations arise in which the basic rules you thought you knew are no help at all. If you start looking for answers, it can get even more confusing. One of the most well-respected and influential style guides in the country will tell you to put just one comma in red, white and blue. But if you take that as gospel, you’ll be lost when you notice that nearly every book you pick up prefers to throw in another comma before the and, writing it red, white, and blue.
And heaven help you if you start paying attention to how professional editors use hyphens. The truth is, punctuation can be very difficult. Professional writers don’t know it all. Even professional editors look things up, debate them with colleagues, and are sometimes still left guessing.

No one knows everything there is to know about every punctuation mark, and no one is expected to. But that leaves any amateur or professional writer to ask: So what am I expected to know? Will I look stupid if I put a comma here or an apostrophe there? Or do even professional editors share my confusion on this matter?
A lot of people assume that there’s a single correct answer for every punctuation conundrum. Either a comma belongs in a certain spot or it doesn’t. Either the possessive of James is formed by adding an apostrophe plus an s, or it’s formed by adding the apostrophe alone.

The good news here is also the bad news: often there’s more than one right answer. Whether to use a certain punctuation mark can be a matter of choice—the writer’s way of emphasizing his meaning, creating rhythm, or making the words more pleasing to the eye. Other times these questions boil down to a matter of style—the kind with a capital S that’s laid down by one of the publishing world’s official playbooks. Still other times, there is only one correct choice, and if you fail to choose it, you can inadvertently change your meaning.

The goal of this book is let you punctuate every sentence, even those that fall into the gray areas of punctuation rules or style differences, with complete confidence.

Praise

Ridiculously useful. The best book on punctuation I’ve ever seen.
—Mignon Fogarty, author of Grammar Girl’s Quick and Dirty Tips for Better Writing

Invaluable reference work for professional proofreaders, editors, and writers because it is the only book that presents Chicago, AP, APA, and MLA conventions side by side. (Acronym-free translation: for each use of each punctuation mark, this book clearly explains and illustrates the practices used by book publishers, the news media, social science publications, and nonscientific academic papers and journal articles.)
—Amy Einsohn, author of The Copyeditor’s Handbook


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