Liv Constantine is the pen name of bestselling sisters Lynne and Valerie Constantine, a dynamic writing duo renowned for their psychological thrillers brimming with twists and suspense. Bound by both blood and a mutual love of storytelling, they craft their razor-sharp novels from two different states, collaborating virtually in a seamless creative partnership. Their debut, *The Last Mrs. Parrish*, became a Reese Witherspoon Book Club pick and international sensation, translated into over 20 languages and optioned for television. With page-turners like *The Last Time I Saw You* and *The Stranger in the Mirror*, Liv Constantine’s books explore themes of identity, privilege, and betrayal, drawing readers into glamorous settings darkened by secrets. Their work has appeared on the USA Today and Wall Street Journal bestseller lists and has captivated thriller enthusiasts worldwide. When not conjuring up devious new plotlines, Lynne lives in Milford, Connecticut, and Valerie in Baltimore, Maryland—proof that great stories truly know no distance.