This great, genre-bending novel nominally centres on the quest of the monomaniacal Captain Ahab to gain revenge for the loss of his leg to an apparently malicious white sperm whale known in the fishery as Moby Dick. At times the compulsive and bombastic Captain Ahab sounds more like a figure from grand guignol than a reincarnated Lear, and listeners may find themselves wondering if the story of Ahab's attempted revenge, as narrated by Ishmael, one of his crew members, is at least partly a pretext allowing the author to explore other subjects in which he actually has a deeper interest — themes including the true brotherhood of man, the wondrous qualities, varieties and behaviour of whales themselves, and the immense courage and ingenuity required of the men who hunted these whales for their oil in the mid-nineteenth century. (Summary by Peter Dann)