Divided into 24 books, the Iliad tells of the wrath of Achilles and its tragic consequences, an episode in the Trojan War. The action is in several sections. Achilles quarrels with Agamemnon over possession of the captive woman Briseis, and Achilles retires from the war to sulk in his tent. The Greek position gradually weakens until Agamemnon offers amendment to Achilles (Books I–IX). Book X tells of an expedition by Odysseus and Diomedes leading to Greek reverses in the war. Thereupon Patroclus, Achilles' friend, is inspired to go into battle wearing Achilles' armor. He is killed by Hector (Books XI–XVII).
Book XVIII tells of the visit of Thetis, mother of Achilles, to comfort her grieving son and of the forging of new armor by Hephaestus for Achilles. Achilles then determines to avenge his friend, kills Hector, buries Patroclus, and finally, at the entreaty of Priam, gives Hector's body to the Trojan hero's aged father (Books XIX–XXIV). The Iliad is a highly unified work, splendid in its dramatic action. Written in a simple yet lofty style, it contains many perceptive characterizations that make exalted personages like Hector and Achilles believable as human beings.
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