The fourth instalment of a brilliantly conceived Viking epic set across eighth-century Europe. An ambitious, masterful series. ‘A masterly debut. An epic, spellbinding Viking fantasy of blood and battle, weaving together history, fantasy and ancient myth. Byzantium, 718AD The great siege is over. Crippled warrior, Erlan Aurvandil, is weary of war. But he must rally his strength to lead a band of misfit adventurers back to the North, to reclaim the stolen kingdom of his lover, Lilla Sviggarsdottir. For this, they need an army. To raise an army, they need gold. Together they plot a daring heist to steal the Emperor’s tribute to his ally. Barely escaping with their lives, they voyage north, ready for the fight. But when fate strands them in a foreign land already riven by war, Erlan and Lilla are drawn inexorably into the web of a dark and gruesome foe. As blades fall and shadows close in, only one thing for them is certain: a savage moon is rising. And it demands an ocean of blood.