The Castle: An Illustrated History of the Smithsonian Building, Second Edition, by Richard E. Stamm, with contributions by Cynthia R. Field and Sharon C. Park and a foreword by G. Wayne Clough. Smithsonian Books, Washington D.C., copyright 2012. It is a large-format softcover of about 190 pages, and the back cover says it has 275 photographs and drawings. Condition: very light edge wear and otherwise clean in the photos.

It traces the history of the Smithsonian Castle on the National Mall from construction to the present.