David said to all the assembly, Now bless Yahweh your God. All the assembly blessed Yahweh, the God of their fathers, and bowed down their heads, and worshiped Yahweh, and the king.
These three men were prophets. They each wrote books, and of course, we have the books of Samuel, First and Second Samuel, the seer. But we do not have, and of course, even Samuel, Second Samuel wasn't written by him completely. We have the books. We do not have the book of Nathan and the book of Gad. They are lost books.