It's been fascinating researching and digging up some cool facts for The David Story. Here's a fun nugget that has been fully incorporated into the project:
In ancient times, kings were often tribal war leaders. King Saul was no exception. It was expected that Saul (and his sons) were to lead the charge into battle and the people would follow. 1 Samuel 14:52 tells us, "There was severe war against the Philistines all the days of Saul: and when Saul saw any mighty man, or any valiant man, he took him to him." Saul recruited the best fighters of the land to fight, and to fight alongside him. He was a complete war-hero. So, as the women later sang his praises, the phrase "Saul has slain his thousands" certainly rang true. Here's a sketch (that you'll see finalized in the book) of Saul leading the charge!