The Seven Diamonds by Rachel Hatch - Free

When King Dacsel of Mykolia realizes that his death is near, he has the seven diamonds that have stood as the symbol of the monarchy split among his seven children. Now there will be not one ruler, but seven. All goes well until the lives of the seven brothers and sisters is shaken by the murder of a visiting ambassador. The seven must work together to discover who has killed him - because if they don't act quickly enough, they could be next on the killer's list.