This is the much anticipated prequel to bestseller Wool that takes us back to the beginnings of the silo. The full novel which brings together First Second & Third Shift. The next Hunger Games". (The Sunday Times). " An epic feat of imagination. You will live in this world". (Justin Cronin). In a future less than fifty years away the world is still as we know it. Time continues to tick by. The truth is that it is ticking away. A powerful few know what lies ahead. They are preparing for it. They are trying to protect us. They are setting us on a path from which we can never return. A path that will lead to destruction; a path that will take us below ground. The history of the silo is about to be written. Our future is about to begin."