Margaret Stiefvater (/ˈstiːvɑːtər/ STEE-vah-tər; née Hummel; born November 18, 1981) is an American writer of young adult fiction.

[3] After being home-schooled from sixth grade on,[4] Stiefvater attended Mary Washington College, graduating with a B.A.

[10] There are over 1.7 million copies of The Wolves of Mercy Falls series in print and more than thirty-six foreign editions have been licensed.

[11] In 2011, Stiefvater published The Scorpio Races, which received 5 starred reviews and was named a Michael L. Printz Award Honor Book.

She gave this lecture in Edinburgh, New York City, Seattle, Austin, Los Angeles, Brooklyn, Toronto, and Vancouver.

[20] Before turning to writing full-time, Stiefvater was a professional portrait artist, specializing in colored pencil.

[35] In association with Paramount, Unique Features optioned Shiver's film rights shortly after the book was released.

[40] It was reported in 2011 that David Katzenberg and Seth Grahame-Smith’s KatzSmith Productions would produce a film of Scorpio Races.

[41] New Line Cinema, in conjunction with Weed Road, optioned the film rights for The Raven Boys shortly before the book's release in September 2012.