According to The Encyclopedia of Fantasy (1997) the “ability to create a realistic historical novel for children is in a sense one of the most testing challenges of the fantastist’s art” requiring “an imagination … powerful enough to create startling pictures of what could have been.”
Rosemary Sutcliff’s “masterpieces of historical fiction are vivid re-creations rather than attempts to portray historical fact through story. While rarely straying beyond the boundaries of what could have happened in the later centuries of Roman rule in Britain and the succeeding Dark Ages, Rosemary Sutcliff, like her mentor Rudyard Kipling, set herself to describe history as part of a temporal tapestry.”
”Thus The Eagle of the Ninth (1954), while containing at least one darkly numinous and certainly trans-real scene when its hero Marcus discovers the lost legion’s missing standard in a British shrine, is told very much in the manner of a tale of the Imperial Northwest Frontier, with Marcus in the role of English subaltern and the Druid-inspired uprisings reminiscent of Indian struggles against the Raj. Suceeding novels, such as The Silver Branch (1957) and The Lantern Bearers (1959), portray Marcus’s descendants, with the Romans and British developing elements of each other’s culture and facing another wave of conquest and immigration from the Anglo-Saxons.”
”We see the beginning of the Matter of Britain in the latter novel and in the adult novel Sword at Sunset (1964) which depicts Artos, illegitimate nephew of Ambrosius the High King, as a warlord fighting the Saxon tribes to keep alight the memory of the Romano-British nation. In the events Rosemary Sutcliff describes – especially the ambiguity of Artos’s relationship with the incest-born Medraut and his use of the moon daisy, element of the White Goddess, to unite old faiths and new at the Battle of Badon – are both the Arthur of the later chroniclers and the seed of the later romances.”
Rosemary Sutcliff turned again and again to this period, revisiting the Romano-British ‘frontier’ in Mark of the Horse Lord (1965) – a fierce study of espionage and assumed identity – and Frontier Wolf (1980). She retold Saxon and Irish legends such as Beowulf (1961; retitled
Dragon Slayer 1966) and The Hound of Ulster (1963), and returned to the Dark Ages in The Shining Company (1990) – based on the Welsh poem The Gododdin – and in retellings of the Arthur-story in The Sword and the Circle (1981) and The Road to Camlann (1981). She also wrote about Greece in The Flowers of Adonis (1965), a study of the Athenian Alcibades which provides a multifaceted picture of a charming but hollow genius. Apart from the Marcus sequence, though, perhaps her finest novel – and certainly the most akin to fantasy – is Warrior Scarlet (1958), in which Drem, a boy of a Bronze Age tribe, overcomes the disability of a withered arm to become a warrior. Within the limits of a book for children, this is as powerful as possible a picture of a putative shamanistic society, with the sun-worshipping Golden People contrasted with the outcast Half People from whom they have wrested the Land.”
“Apart from occasional suggestions of paranormal powers, Rosemary Sutcliff remains a realistic writer, exploring the history of our here and now. But her imagination was powerful enough to create startling pictures of what could have been.
ROSEMARY SUTCLIFF (1920-92) 
I was reminded of her books when I compiled some reading suggestions for Roman Britain for my YouTube Channel. Just wanted to stop by and say how much her books meant to me as a kid. I read all the ones that were translated into German and at my library, some of them more than once.
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