The crystal cave
Mary Stewart (Author)
Born the bastard son of a Welsh princess, Myridden Emrys--or as he would later be known, Merlin--leads a perilous childhood, haunted by portents and visions. But destiny has great plans for this no-man's-son, taking him from prophesying before the High King Vortigern to the crowning of Uther Pendragon, and the conception of Arthur--king for once and always
Print Book, English, 1970
W. Morrow, New York, 1970