The Queen's Jewel

Laura and Lindsey are in Barcelona as the next stop in their travels across Europe. They're thrilled with the art and historical places and artifacts they get to see, especially a blue opal brooch that once belonged to Queen Isabella. However, when the brooch is stolen, Lindsey chases after the thief, only to disappear. Laura is left to search the streets of Barcelona for her cousin, while Lindsey must try to remember who she is and what happened to her. It will take both courage and perseverance for Laura and Lindsey to solve the mystery and find the Queen's jewel.