The term BOOK BEFORE ESTH refers to the five books of the Bible that come before the book of Esther. These books are Isaiah (6 letters), Hosea (5 letters), Ezra (4 letters), Acts (4 letters), and Nehemiah (3 letters). Isaiah is a prophetic book that contains the prophecies of the prophet Isaiah. Hosea is also a prophetic book that contains the prophecies of the prophet Hosea. Ezra is a historical book that recounts the return of the Jews from exile in Babylon. Acts is a historical book that tells the story of the early church and the spread of Christianity. Nehemiah is a historical book that recounts the rebuilding of Jerusalem after the exile.