This volume investigates the new series of skyscrapers illustrated by the work of Cesar Polli, Skidmore, Owings and Merrill Inc, Jean Nouvel and many others. An historical review analyzes the preoccupation and fascination which drives designers to build higher and higher. The book examines the technological innovations, such as the introduction of lifts and air conditioning, the advances in building materials and the introduction and development of fire regulations.