Billy and his brothers often hear the word 'No' or 'Oxi' from their parents. But on October 28, the word takes on a new meaning as families around the world with Greek heritage celebrate Oxi Day, or the Anniversary of the No. Billy learns all about the courageous fight that changed the course of World War II and preserved freedom and democracy for Greece and the world. The story colorfully explains the significance of this historic date, which marks an important historic event that helped Greece and the world uphold freedom and liberty. The Lucky Word is the fourth title in The Lucky Book Series, which focuses on Greek culture, history, and traditions and features stories told through the eyes of the beloved Billy and his family.