"City of Quartz" is a non-fiction book written by historian and cultural critic Mike Davis, published in 1990. The book explores the social, political, and economic landscape of Los Angeles, examining its history and the forces that have shaped the city. Davis delves into themes such as urban development, class struggle, and the impact of the entertainment industry on the city's identity. In "City of Quartz," Davis also discusses the concept of urban decay and the rise of gated communities, highlighting the stark contrasts between wealth and poverty in Los Angeles. The book is known for its critical perspective on the city's future and its implications for urban life in America.