'Book of the Covenant' in the Bible

Then the king went to the Lord’s temple with all the men of Judah and all the inhabitants of Jerusalem, as well as the priests and the prophets—all the people from the youngest to the oldest. As they listened, he read all the words of the book of the covenant that had been found in the Lord’s temple.

The king commanded all the people, “Keep the Passover of the Lord your God as written in the book of the covenant.”

The king went up to the Lord’s temple with all the men of Judah and the inhabitants of Jerusalem, as well as the priests and the Levites—all the people from great to small. He read in their hearing all the words of the book of the covenant that had been found in the Lord’s temple.