We here at Last Friend Inc. are collectively sorry for this loss of you. Our deepest sympathies extend to those who love you and those who will never meet you. We hope you find a new friend of value to spend your final hours with today.

On September 5, a little after midnight, Death-Cast calls Mateo Torrez and Rufus Emeterio to give them some bad news: They're going to die today. Mateo and Rufus are total strangers, but, for different reasons, they're both looking to make a new friend on their End Day. The good news: There's an app for that. It's called Last Friend, and through it, Rufus and Mateo are about to meet up for one last great adventure?to live a lifetime in a single day.

Uplifting and devastating, charming and haunting, They Both Die at the End is a tour de force from acclaimed author Adam Silvera, whose debut novel the New York Times called ?profound.? It's a story that reminds us there's no life without death, no love without loss?and that it's possible to change your whole world in a day.

Adam Silvera is the #1 New York Times and USA Today bestselling author of They Both Die at the End, The First to Die at the End, More Happy 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. He is tall for no reason. Visit him online at adamsilvera.com.