In this prequel to They Both Die at the End, #1 New York Times bestselling author Adam Silvera tells the story of new star-crossed lovers facing down Death-Cast’s first day. Society is divided by a new technology that claims to be able to alert people on the day of their death—Death-Cast. There’s one question on everyone’s mind: does Death-Cast really work or is it just an elaborate hoax? Still, thousands signed up for Death-Cast, and on day one, dozens receive their calls. This book follows two boys who seem destined for love—until one receives the first End Day call. In this prequel to #1 New York Times bestselling phenomenon They Both Die at the End, acclaimed author Adam Silvera has crafted a story that is heartbreakingly beautiful, completely captivating, and utterly unforgettable.