Chelsea Snow Cain is an American writer known for her novels and columns. She is the New York Times bestselling author of the Archie Sheridan/Gretchen Lowell thrillers which include Heartsick, Sweetheart, Evil at Heart, The Night Season, Kill You Twice, and Let Me Go. Her book Heartsick was named one of the best 100 thrillers ever written by NPR, and both Heartsick and Sweetheart were named among Stephen King's Top Ten Books of the Year. Her works have been featured on HBO's True Blood and ABC's Castle. Cain resides in Portland, Oregon with her family.