course of the reform a book of the law was found in the temple. This again is customarily identified with some version of Deuteronomy, and it is implied that the book, recently written, had been deliberately planted in the temple to encourage or justify the reforms that had been undertaken. Language and centralization are thus the two key arguments for the late date of Deuteronomy. The other reasons often adduced for dating the book to the seventh century, e.g. holy war, treaty