Sarah Mlynowski was born on January 4, 1977 in Montreal, Canada. She attended McGill University where she graduated with a degree in English Literature. She later moved to Toronto to work for Harlequin Enterprises Ltd. She used her romance publishing experiences to fuel her first novel Milkrun. She now writes full-time and her other works include Fishbowl, Monkey Business, Me Vs. Me, and Ten Things We Did (and Probably Shouldn't Have). She also writes the Magic in Manhattan series. In 2014 her title, Bad Hair Day, made The New York Times Best Seller List.