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A style guide comparing Associated Press style and Chicago style for editors, writers, teachers, students, word nerds, and anyone else who gives a dollar sign, ampersand, exclamation point, and pound sign about style.

My New Book Will Be Out In…








The best tool book of all. Karen Yin gives writers and editors a great gift. I absolutely love it.”
Paula Froke, editor of The Associated Press Stylebook

The Conscious Style Guide will inspire writers and their editors to make choices that not only respect readers but, in the process, bring us all a little closer to the truth.”
Russell Harper, principal reviser of The Chicago Manual of Style

“An essential resource for writers and editors who want to get up to speed on writing with empathy and care.”
Mignon Fogarty, host of the Grammar Girl podcast

Welcome to AP vs. Chicago: A Style Guide for Editors, Writers, and Word Nerds

by Karen Yin

I started AP vs. Chicago to keep track of style and usage according to the popular style guides The Associated Press Stylebook and The Chicago Manual of Style.

A copy editor with 20-plus years of experience, I make it my job to keep up with changing styles and the evolution of language (or devolution, as the case may be). Even if my client doesn’t claim allegiance to any style, I will go along with the style they’ve arbitrarily created and shake out the mess of commas, hyphens, capitals, and italics to create a piece that sings with power and clarity. And for websites, advertisements, letters, and résumés, this is what makes what you’re selling shine.

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The New York Times Style: Fine Distinctions beyond the Newsroom

Billed as “the official style guide used by the writers and editors of the world’s most authoritative news organization,” the 2015 edition of The New York Times Manual of Style and Usage contains hundreds of changes made since the 2002 edition, increasing its usefulness to non-NYT writers and editors.

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Consistency vs. Flexibility

In The Gregg Reference Manual, William A. Sabin said this of applying one style to all circumstances: “It is the impoverished person who meets every situation with the same set of clothes.” Copyeditors are charged with enforcing consistency, but new editors have a tough time knowing when to be flexible.

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