Barbara Harper-Nelson was once the sweetheart, living in Liverpool, of 22 year-old French airman Francis Usai. Amazingly she kept the letters (over 2000 pages of correspondence) from this witty and amusing young French airman exiled from his conquered country and based here near York, where he undertook nightly missions into the horrendous firestorm which was the Battle of Berlin. Along with her own diaries, these letters constitute a unique, evocative, often amusing conversation between young people during a time unprecedented in history and with the daily threat of permanent separation, plus the very regular loss of close friends. (51% of all air crews were killed). The authenticity of this account hits home while the intensity of their love story and the quality of their courage catches at the heart.