The answer is: Nahum

Isn't it interesting that Nahum, sitting quietly among the long scrolls of the Old Testament, is the only book that ends with an 'M'? This minor prophet has a minor footprint but a significant message! Nahum’s name actually means "comfort," reminding us how prophetic voices, even brief ones, can serve a crucial role in society.

Thought you'd like to know a fun tidbit: Nahum's mission was to pronounce God's coming judgment on Nineveh, the same city that Jonah once tried to evade. Ironically, while Jonah brought a message of impending doom that turned into grace and repentance, Nahum delivers an assured account of wrath. Nineveh's story is compelling—did you know it was the capital of the Assyrian Empire, famous for its brutality and strength? Nahum's contemporary readers were eager to hear about justice for their oppressed lives.

Moreover, if you look deeply, the prophetic tradition shows us that comfort can come from uncomfortable places, hinting at the complexity in divine justice. Nahum crafts vivid imagery of the fall of mighty cities, giving people of the time hope turned into public spectacle. It's like reading a gripping thriller—everyone loves to see the big bad wolf get taken down!

So, the next time you hear the book of Nahum mentioned, think about its vibrant contrasts—the dynamics of mercy and judgment beautifully encapsulated in just three chapters—and don't forget that intriguing twist with the letter 'M'!