'Outstanding' SUNDAY TIMES 'A stunning debut thriller . . . utterly terrifying . . . absolutely riveting' DAILY MAIL 'Fascinating . . . fearsome' FREDERICK FORSYTH'Enthralling' FINANCIAL TIMES'Thrilling . . . compelling' SIMON SEBAG MONTEFIORE1961. Hidden deep within central Soviet Russia is a place that doesn't appear on any map: a city called Arzamas-16. Here dedicated scientists and technicians...