Everything you need to understand or teach The Refugee Summer by Edward Fenton.
In the summer of 1922, when Greece was at war with Turkish Anatolia, Nikolas lived with his mother, caretaker of the Villa Pandora, in Kifissia, an aristocratic suburb of Athens. Everything was quiet and peaceful, until the Averys (an American family) rented the villa. Soon after, the striking Madame Arnauld, her daughters Nadine and Stephanie, and their Greek "uncle" moved into the villa next door. High-spirited, bored with grown-ups and in search of adventure...