^{For the franchise, see The Hitchhiker's Guide to the Galaxy. For the real life book, see The Hitchhiker's Guide to the Galaxy (novel).}

The Guide is a wholly remarkable book published by Megadodo Publications in Ursa Minor. It is frequently used throughout the franchise as a humourous narrative and exposition device, as well as regularly recurring as a major plot device.

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• Ford Prefect
• Zarniwoop / Van Harl
• Roosta