WINNER OF THE BAILLIE GIFFORD PRIZE FOR NON-FICTION AND SHORTLISTED FOR THE SLIGHTLY FOXED BEST FIRST BIOGRAPHY AWARD'A monumental achievement: profoundly personal, told with love, anger and great precision' - John le Carré'A triumph of astonishing research. No novel could possibly match such an important work of truth' - Antony Beevor'Magnificent. I was moved to anger and to pity. In places I gasped, in places I wept. I wanted to reach the end. I couldn't wait to reach the end. And then w