Outlander is a captivating historical romance novel written by Diana Gabaldon. Set in Scotland in the 18th century, the story follows Claire Randall, a young nurse who mysteriously travels back in time to the year 1743. There, she finds herself torn between two men: her husband in the present day and a Scottish warrior in the past. With its rich historical detail, passionate romance, and elements of time travel, Outlander has become a beloved favorite among readers.