A Tiara for the Taking — Robin Russell

Over the centuries, the famous Fatima Tiara has mesmerized and intrigued all who have stolen it. What started as a daughter's whim and a father's quest for forgiveness has transformed into endless years of subterfuge and violence. Now there is one last hope for peace and national reconciliation in Morocco. And if the children succeed, they may even save love. However, on this adventure they'll need more than just their wits and courage. This time they'll face their most dangerous opponents yet: themselves.