the book of the law. i.e. the original copy of the Pentateuch, laid up by the side of the Ark (Deuteronomy 31:24-26). Probably secreted during the reigns of Manasseh (2 Kings 21:16) and Amon (2 Kings 21:21). See App-47.
Related Commentaries of 2 Kings 22:8
2 Kings 22:8
8 And Hilkiah the high priest said unto Shaphan the scribe, I have found the book of the law in the house of the LORD. And Hilkiah gave the book to Shaphan, and he read it.