"Delirious New York" is a book by architect and theorist Rem Koolhaas, published in 1978. It explores the architectural and cultural history of New York City, focusing on the city's unique urban environment and its impact on modern architecture. Koolhaas examines the interplay between the city's chaotic growth and the innovative designs that emerged from it. The book is structured as a narrative that combines historical analysis with visual elements, including photographs and drawings. Koolhaas uses Manhattan as a case study to illustrate how the city's density and diversity have shaped its identity, making it a model for urban development worldwide.