The Book of 1 Samuel 1:1–31:13 & 2 Samuel 1:1–24:25 has several summary
sections that serve as markers to divide the book: 1 Samuel 7:15–17, 1 Samuel 14:47–52, and 2 Samuel 8:15–18. This summary serves to confirm that the history of David’s rise to power (1 Samuel 15:1–31:13 – 2 Samuel 1:1–8:18) has been concluded.1
15 So David reigned over all Israel. And David administered justice and equity to all his people.