The Line of Beauty by Alan Hollinghurst

Set in the 1980s during the era of Margaret Thatcher's conservative government in Britain, this novel follows the life of a young gay man named Nick Guest. Coming from a middle-class background, he moves into the home of his wealthy friend's family and becomes infatuated with the opulence and power of the upper class. As he navigates his way through this new world, he also explores his sexuality, all while dealing with the societal and political implications of the AIDS crisis.

The 531st greatest book of all time