Alexander the Great led one of the most successful armies in history and conquered nearly the entirety of the known world while wearing armor made of cloth. How is that possible? In Reconstructing Ancient Linen Body Armor, Gregory S. Aldrete, Scott Bartell, and Alicia Aldrete provide the answer.

An extensive multiyear project in experimental archaeology, this pioneering study presents a thorough investigation of the linothorax, linen armor worn by the Greeks, Macedonians, and other ancient Mediterranean warriors. Because the linothorax was made of cloth, no examples of it have...