Spartan soldiers trained for life. As long as they could walk, men into their 70s took part in the vigorous, brutal preparation for war. Strength was so valued, weak babies were left to die on a nearby mountain. Readers learn about these fearless fighters, as well as Spartan cultivation of strength, through historical images and detailed descriptions of Spartan warfare, soldier training, and more. Fully supportive of the social studies curriculum, the main content guides readers through the story of the 300 and King Leonidas and weapons and armor of this ancient Greek city-state.