Title: The lost treasure of Fernando Montoya
Description: While on vacation in San Francisco, sibling sleuths Arthur and Kirstin Davis are hired by Michael Franklin, a friend of their Uncle Connie, to investigate a lost treasure, putting at risk Franklin's family business and, perhaps, Kirstin's life.
Subjects: Brothers and sisters, Business enterprises, Fiction, Kidnapping, Mystery and detective stories, Robbers and outlaws, Detective and mystery stories, Thieves, Children's fiction, Adventure and adventurers, fiction
Places: San Francisco (Calif.)