Riley Sager

American thriller novelist, the pen name of Todd Ritter, a former journalist, editor and graphic designer based in Princeton, New Jersey. Writing as Sager, he made his debut with Final Girls (2017), which won the ITW Thriller Award for Best Hardcover Novel, and has since produced a string of New York Times bestselling standalone suspense novels — The Last Time I Lied, Lock Every Door, Home Before Dark, Survive the Night, The House Across the Lake, The Only One Left and Middle of the Night. Ritter has also published crime novels under his own name and, previously, as Alan Finn.