The Bull And The Spear By Michael Moorcock
All Books are second hand
Berkley 1974. Mass market paperback. Heroic fantasy novel; Moorcock based this series of novels on Celtic mythology. The series consists of six The Swords Trilogy [The Knight of the Swords, The Queen of the Swords and The King of the Swords (all 1971)], this novel, The Oak and the Ram (1973) and The Sword and the Stallion (1973). The first three books have been collectively published as "The Swords Trilogy," the next three as "The Chronicles of Corum."