This second fascicle of the Atlas of Nontumor Pathology addresses one of the most difficult areas in surgical pathology. Recognizing the need for a multidisciplinary approach to the successful diagnosis of many of these diseases, a pulmonologist and two radiologists have been included as authors to supplement the pathology contributions. With their clinical and radiological expertise, Drs. King, Rosado-de-Christenson, and Miller have greatly enhanced the pathology descriptions. A 939-page volume has resulted with a total of 1,185 color and 284 black and white images, including pathology as well as radiology illustrations.When appropriate, the importance of clinical, radiological, and pathologic correlation is emphasized. The radiology images include characteristic manifestations on chest radiography and high-resolution computed tomography. This reference will be helpful to clinicians, radiologists, and pathologists seeking a better understanding of this difficult subject.