What is the summery on the book the lantern bearers?

"The Lantern Bearers" is a historical novel by Rosemary Sutcliff that follows the story of a Roman boy named Aquila during the decline of Roman rule in Britain. After witnessing the fall of his family and country, Aquila struggles to find his place in a world that is rapidly changing. The novel explores themes of loyalty, identity, and the search for purpose amidst turmoil.