Welcome to Rosemarie Ostler's website. Rosemarie writes books and articles about language-related topics, especially American words and expressions, grammar and usage, and linguistic history.

To learn more about Rosemarie's work, visit the About page or the Books page. To get in touch, go to the Contact page.

Founding Grammars:

How Eighteenth-Century Grammar Books Started the Battle over American Speech That's Still Being Fought Today


•due May 2015 from St. Martin's Press•

Founding Grammars gets to the bottom of America's grammar obsession. It tells the story of early American grammar books and their lasting impact on the way all of us think about language use—whether we realize it or not. These once best-selling books have long been out of print, but the rules they introduced—"Never end a sentence with a preposition!"—still reverberate to this day.