Here are some of his most notable works:
Novels:
* The Greenmantle (1961): This novel follows the adventures of a young Scottish aristocrat in the aftermath of the Boer War. It is Lee's most famous work and considered a classic of the genre.
* The Red King (1963): Set during the reign of King Edward VII, this novel explores the lives of several characters caught up in the political and social upheaval of the time.
* The Golden Spur (1965): This novel tells the story of a young man who discovers a hidden treasure and must contend with the dangers that come with it.
* The Lady of the Lamp (1968): This novel is based on the real-life story of Florence Nightingale, a pioneering nurse who served during the Crimean War.
* The Scarlet Pimpernel (1977): A sequel to the classic novel by Emmuska Orczy, this book continues the story of Sir Percy Blakeney and his secret exploits.
* The Man Who Stole the King (1979): This novel tells the story of a thief who steals a priceless jewel from the British crown.
* The King's Shadow (1981): This novel is set in the time of King George V and follows the story of a young woman who becomes involved in a conspiracy against the crown.
* The Diamond of the Nile (1983): This novel is set in the early 20th century and follows the adventures of an adventurer who is searching for a legendary diamond.
* The Secret of the Black Tower (1984): This novel is a blend of mystery and adventure set in the late Victorian era.
* The Shadow of the Lion (1985): This novel tells the story of a young man who is accused of murder and must clear his name.
* The Legacy of the Eagle (1986): This novel is set during World War I and follows the story of a young woman who becomes involved in espionage.
Other Works:
* The Book of the Scarlet Pimpernel (1983): A collection of essays and articles about the Scarlet Pimpernel character and its creator, Emmuska Orczy.
Hugh Swinton Lee was a prolific writer who published over 20 novels during his lifetime. His books were praised for their historical accuracy, vivid characters, and exciting plots. He was a master of the historical novel and his works continue to be enjoyed by readers today.