The acclaimed bestseller, now a major motion picture from Alex Garland (Ex Machina), starring Natalie Portman“Once you start this book you will not be able to stop.” —The Globe and MailArea X has been cut off from the rest of the continent for decades. Nature has reclaimed the last vestiges of human civilization. The first expedition returned with reports of an Edenic landscape, the second ended in mass suicide and the third in a hail of gunfire as its members turned on one a