They both die at the end (hardcover collector's edition)

Exclusive Collector's Edition with gold foil on cover and exclusive bonus material
A love story with a difference - an unforgettable tale of life, loss and making each day count.

On September 5th, 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 the 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.

Another beautiful, heartbreaking and life-affirming book from the brilliant Adam Silvera.