The author of London Fields is Martin AMIS, a British novelist, essayist, and memoirist. He is the son of the late Sir Kingsley AMIS, also a renowned novelist. AMIS has written numerous novels, including Money, The Information, and Time's Arrow. He has also written several collections of short stories, essays, and non-fiction works. His work often focuses on themes of modernity, postmodernity, and the human condition.