The Fiddler's Secret (Riverboat Adventures, Book 6)

A mysterious shadow prowls the Christina-On the Christina's trip up the Mississippi River, Libby Norstad and her friends meet a violinist with outstanding talent. He seems to have a secret, and Libby is set on discovering what it is. But when they arrive in St. Paul, the man's treasured violin is stolen! Libby, Caleb, and Jordan lead the search but find nothing. Then Jordan meets up with his biggest enemy and takes on a new role in the Underground Railroad.When Annika Berg insists on staying in St. Paul, Libby and Captain Norstad don't want to leave. Then an accident with Peter becomes a matter of life and death, and they must stay south longer than planned. What if Annika falls in love with someone else before Pa returns? Will he and Libby ever see her again?