Then the princes of the fathers' [houses], and the princes of the tribes of Israel, and the captains of thousands and of hundreds, with the rulers over the king's work, offered willingly;
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.