They Both Die at the End is a young adult novel written by American author Adam Silvera and published on September 5, 2017, by HarperTeen. It is Silvera's third novel and centers on two teenagers, Mateo and Rufus, who discover that they only have one day to live.
Adam Silvera reminds us that there is no life without death and no love without loss in this devastating but uplifting story about two people whose lives change over the course of one unforgettable day.
Adam Silvera is the #1 New York Times and USA Today bestselling author of They Both Die at the End, Happier Than Not, History Is All You Left Me, the Infinity Cycle, and—with Becky Albertalli—What If It’s Us and Here’s to Us. He worked in the publishing industry as a children’s bookseller, community manager at a content development company, and book reviewer of children’s and young adult novels. He was born and raised in New York and now lives in Los Angeles.