Prussian Blue: A History of the Order Pour le Merite by Stephen Thomas Previtera-Published in 2005 by Winidore Publications of Virginia, this hardcover book is a gorgeous visual history of the Order Pour le Mérite. It contains 400 pages, and over 1000 large format photographs that captures the original awards of kings and kaisers, tsars and generals, princes and statesmen. This book is in like new condition, with a very tight binding and clean pages. This is excellent written by an excellent researcher.