In his book 'The Mennonites in WW1', Jonas Smucker Hartzler delves into the experiences of the Mennonite community during World War I, highlighting their unique perspectives on war, pacifism, and patriotism. Hartzler's writing style is scholarly and informative, providing a detailed account of how Mennonites navigated their beliefs in the face of a global conflict. By examining primary sources and personal accounts, he offers a nuanced understanding of the Mennonite experience during this tumultuous period of history. This book is a valuable contribution to the study of pacifism and religious communities in times of war, shedding light on a lesser-known aspect of World War I. Hartzler's work is deeply researched and well-crafted, making it a compelling read for anyone interested in the intersection of faith and wartime experiences.