The AP Stylebook is a writing style guide for journalists. It is published and updated every other year to reflect changes in writing style and new guidelines.

Updated regularly since its initial publication in 1953, the AP Stylebook is a must-have reference for writers, editors, students and professionals. It provides fundamental guidelines for spelling, language, punctuation, usage and journalistic style. It is the definitive resource for journalists.

AP Stylebook Online is updated throughout the year as new style guidelines are developed.