'Book of the Law' in the Bible

just as Moses the Lord’s servant had commanded the Israelites. He built it according to what is written in the book of the law of Moses: an altar of uncut stones on which no iron tool has been used. Then they offered burnt offerings to the Lord and sacrificed fellowship offerings on it.

Afterward, Joshua read aloud all the words of the law—the blessings as well as the curses—according to all that is written in the book of the law.

“Be very strong and continue obeying all that is written in the book of the law of Moses, so that you do not turn from it to the right or left

Joshua recorded these things in the book of the law of God; he also took a large stone and set it up there under the oak next to the sanctuary of the Lord.