@Tintin
It is the last book of the Nevi'im, which is part of the Tanakh (aka the Old Testament). In the Christian version, they are broken into the Books of Hosea, Joel, Amos, Obadiah, Jonah, Micah, Nahum, Habakkuk (my favorite), Zephaniah, Haggai, Zechariah, and Malachi.