High Quality Content by WIKIPEDIA articles! The Letter of Jeremiah, also known as the Epistle of Jeremy, is a deuterocanonical book of the Old Testament; this letter purports to have been written by Jeremiah to the Jews who were about to be carried away as captives to Babylon by Nebuchadnezzar. It is included in Catholic Bibles as the final chapter of the Book of Baruch. It is also included in Orthodox Bibles as a standalone book. The title of this work is misleading, for it is neither a letter nor was it written by the prophet Jeremiah.