wrote it in. book. Hebrew the book: viz. the book kept before the Lord; even the scriptures of truth. See Exodus 17:14 and App-47.
Related Commentaries of 1 Samuel 10:25
1 Samuel 10:25
25 Then Samuel told the people the manner of the kingdom, and wrote it in a book, and laid it up before the LORD. And Samuel sent all the people away, every man to his house.