for Zishe the Strongman by Robert Rubinstein and Woddy Miller
At the age of three, Zishe was lifting a nine-pound hammer in his father's blacksmith shop. By the age of 11, there was not a bar he couldn't bend or a chain he couldn't snap. This is the unusual story of Zishe, a poor Polish Jew, who became the featured Strongman of circuses throughout the world. It's based on the true story of Zishe of Lodz.
Publisher description retrieved from Google Books.