From New York Times best selling author Erich Krauss comes Primitives, the story of two unlikely heroes thrust into a post-apocalyptic mission to restore humanity. Named as "One of the 19 best science fiction books of 2022." Business Insider "Primitives easily earns a score of 4 out of 4 for its thrilling adventure and masterful storytelling. It would most appeal to fans of science fiction looking for a gritty, fascinating, post-apocalyptic world and a daring adventure. As for me, it has been a very long time since a book has grabbed me the way this one did, and I can see myself reading it again and again. Primitives has earned itself a permanent place on my bookshelf."- Online Book Club "This plotline unfolds with enough twists and turns to keep readers invested, and the satisfying ending will have readers curious about what Krauss does next." Publisher's Weekly Thirty years after The Great Fatigue infected the globe - and the treatment regressed most of the human race to a primitive state - Seth Keller makes a gruesome discovery in his adoptive father's makeshift lab. This revelation forces him to leave the safety of his desert home and the only other person left in the world at least, as far as he knows. Three thousand miles away in the jungles of Costa Rica, Sarah Peoples has made her own discovery.