"Outlander" is a historical fiction novel by Diana Gabaldon that follows the story of Claire Randall, a former British Army nurse who is mysteriously transported back in time to 18th-century Scotland. In this unfamiliar era, Claire becomes entangled in the political turmoil and romantic complexities of the time. As she navigates the challenges of survival and adapts to her surroundings, she finds herself torn between two very different worlds and two men, leading to a captivating and adventurous tale that blends romance, history, and fantasy.