Well, in the Outlander series novels, a major theme is history. It vividly depicts different historical periods, making readers feel like they are there. Love and loyalty are also key. The characters' loyalty to each other and their passionate love affairs are really engaging. And the theme of survival cannot be ignored. They have to survive in difficult historical circumstances.
Jamie Fraser is definitely one of the most memorable. His strong will, loyalty, and charm make him stand out. Claire Randall is also very memorable. Her intelligence and courage as she navigates different time periods are remarkable.
The 'Outlander' novel itself is extremely popular. It was the start of the whole series and introduced readers to the unique concept of time travel and the strong characters.
The first novel in the Outlander series is a substantial work. It's approximately 800 pages, filled with intricate plotlines and vivid character development that keeps you engaged throughout.