Five best psychos in fiction

Mary Horlock is an authority on contemporary art who has worked at the Tate Britain and Tate Liverpool, and curated the Turner Prize for contemporary art. She spent her childhood in Guernsey, and lives in London.Her novel The Book of Lies is now out from Harper Perennial.For the Wall Street Journal, Horlock came up with a five best list of novels with psychos, obsessives and other loons.One title