Jannah Jewels Book 9: Surprise in Syria

In Book 9 of the Jannah Jewels Adventure Series, they travel back in time to the once beautiful city of Aleppo in Syria. There, they meet Queen Dayfa Khatun, a loved and pious ruler, who took great care of her people and was an advocate of learning. Can the Jannah Jewels solve the clues to find the 9th artifact in Aleppo before time runs out?