The poet of the Odyssey was a seriously flawed genius. He had a wonderfully inventive imagination, a gift for pictorial detail and for introducing naturalistic elements into epic dialogue, and a grand architectural plan for the poem. He was also a slapdash artist, often copying verses from the Iliad or from himself without close attention to their suitability. With various possible ways of telling the story bubbling up in his mind, he creates a narrative marked by constant inconsistency of detail. He is a fluent composer who delights in prolonging his tale with subsidiary...