Enemy at the Gates:

The bloodiest battle in the history of warfare, Stalingrad was perhaps the single most important engagement of World War II. A major loss for the Axis powers, the battle for Stalingrad signaled the beginning of the end for the Third Reich of Adolf Hitler. During the five years William Craig spent researching the battle for Stalingrad, he traveled extensively on three continents, studying documents and interviewing hundreds of survivors, both military and civilian. This unique account is their story, and the stories of the nearly two million men and women who lost their lives. [www.goodreads.com]