Elizabeth Goudge 
Castle on the Hill [EPUB ebook] 

Amid the chaos of the Second World War comes a charming story of courage and friendship, from the author of Green Dolphin Country and A City of Bells.In the summer of 1940, as the darkest days of the Second World War approach, a chance encounter on a train leads Miss Brown to become housekeeper at the Castle.Hidden in a quiet, rural corner of England, the crumbling castle is home to lonely historian Mr Birley and his nephews, fighter pilot Richard and fair, peace-loving Stephen. With young evacuees Moppet and Poppet, and mysterious violinist Jo Isaacson, this unexpected family of strangers come to rely on each other as the devastations of war rage on.