'For a moment she closed her eyes and imagined she was perched on the diving board at the Piscine Molitor, the sun beating down on her bare shoulders and the sound of Parisians at play beneath her. All she had to do was jump.' 1941 . Darkness descends over London as the sirens begin to howl and the bombs rain down. Devastation seeps from every crack of the city. In the midst of all the chaos is a woman gripping a window ledge on the first floor of...