They Both Die at the End meets All That's Left in the World - a heartbreaking and gripping first love story about courage, hope and holding onto love. Perfect for anyone looking for a big emotional romance of a read.

On the morning Avery Byrne plans to end her life, the world discovers there are only nine days left to live: an asteroid is headed for Earth, and no one can stop it.

As time runs out and secrets slowly come to light, Avery fights her way home to save the girl she has been in love with her whole life. But can Avery also learn to save herself and find hope again in the tomorrows she has left?

'An electric, urgent miracle of a book that asks what - and who - we dare to live for. Avery's story will shatter your heart and fill it with light again.'

Kelly Quindlen, bestselling author of She Drives Me Crazy

'A novel that carves a space in your heart and remains there forever.' Rachael Lippincott, bestselling co-author of She Gets the Girl and Five Feet Apart

'Devastatingly brilliant.' Leah Johnson, bestselling author of You Should See Me in a Crown

'An absolute life changer - and lifesaver - of a book.' Dahlia Adler, author of Cool for the Summer

'Lush, searching, and ultimately full of hope. I loved it.'

Emily M. Danforth, bestselling and award-winning author of The Miseducation of Cameron Post

'Achingly tender and poignantly honest . . . This book is a marvel.' Adrienne Tooley, author of Sweet & Bitter Magic