"The Fiery Cross" is the fifth book in the Outlander series by Diana Gabaldon. Set in the 18th century, it follows the story of Claire Randall and Jamie Fraser as they navigate the complexities of life in colonial America during the lead-up to the American Revolution. The novel explores themes of loyalty, love, and the impact of historical events on personal lives. The title refers to a symbol of unity and resistance among the Scottish Highlanders. Throughout the book, characters face challenges that test their relationships and beliefs, while also dealing with the political tensions of the time. The narrative blends historical fiction with elements of romance and adventure.