In the first book, the Jannah Jewels, are brought to the ancient city of Timbuktu in Mali and meet the Treasure King. There they visit the Grand Mosque and University while trying to find the missing manuscript.

Who exactly is the Treasure King and can the Jannah Jewels restore the missing manuscript before time runs out?

In the second book, the girls are caught and thrown aboard the ship of Zheng He, the famous Chinese Muslim Admiral. Caught in a lightning thunderstorm, they must sail in raging waters to retrieve a rare medicine plant.

Can the Jannah Jewels escape the fiery arrows of pirates and make it safely back home?

In the third book, a notable scholar has vanished from the House of Wisdom, along with a scroll pen that belonged to the famous mathematician Al-Kindi.

Lost in the marketplace of Baghdad, can the Jannah Jewels gain victory over the villain and put the pen back into the Golden Clock?