For award-winning, internationally-acclaimed author Rosemary Sutcliff (1920-92). By Anthony Lawton: godson, cousin & literary executor. Rosemary Sutcliff wrote historical fiction, children's literature and books, films, TV & radio, including The Eagle of the Ninth, Sword at Sunset, Song for a Dark Queen, The Mark of the Horse Lord, The Silver Branch, The Lantern Bearers, Dawn Wind, Blue Remembered Hills.
I have just come across this reproduction of a french film poster: note how the French sensibly called the film The Eagle of the Ninth (in French!). They knew something that the US marketers did not!