In the Christian faith, all the books of the Old Testament prophets are considered divine scriptures and are part of the Holy Bible.
The books of the Old Testament make the promise of salvation and foretells the coming of Jesus Christ. All these prophecies were fulfilled by Jesus Christ.
Jesus Christ came to complete the Old Testament scriptures and the law.
The righteousness of Jesus Christ is expressed in all these books.
And we, the followers of Jesus Christ, consider these books as part of the Bible and have full faith in all of them.