This book investigates the historical reality behind the figure of King Arthur by synthesizing archaeological findings and documentary evidence from the post-Roman period in Britain. Rodney Castleden, an experienced researcher in British history and archaeology, evaluates the fragmented records of the Dark Ages to separate myth from potential historical fact. He constructs a framework that situates the Arthurian legend within the socio-political context of the fifth and sixth centuries, challenging traditional romanticized interpretations.

Experts and readers often note that this text provides a balanced, evidence-based approach to a subject frequently dominated by speculation. It is considered a useful resource for those seeking a grounded historical perspective on the origins of the Arthurian cycle.