The Book of Malachi is one of the twelve minor prophets in the Hebrew Bible. It is also known as the Book of Malachias. It is a prophetic book that speaks of God's love and judgment towards Israel. Some synonyms for the Book of Malachi are the Prophecy of Malachi, the Oracle of Malachi, and the Words of Malachi. The message of Malachi is still relevant today, reminding us of the importance of staying true to God's will and His expectations of moral behavior. It is a timeless message that inspires us to seek God and live our lives according to His purpose.