As a result of recent developments in CT and MRI technology it is now possible to perform dedicated investigations of different aspects of lung function, such as ventilation, perfusion, gas exchange, and respiratory mechanics. Written by acknowledged experts in the field, this text provides a well-illustrated and comprehensive review of these novel approaches to functional imaging of the chest. It will be of great assistance to all who are establishing such strategies in the research or clinical arenas for the diagnostic work-up and follow-up of patients with lung diseases.