(from the book):
These are the voyages...
You've read the Star Trek Player's Guide, and now you're prepared to take the next step - you're ready to become a Star Trek narrator. Now it's your turn to create new life and new civilizations, new starships and new technology.
The Star Trek Narrator's Guide includes:
The complete rules needed for play, easily convertible from previous Star Trek RPGs
Original Star Trek canon consistent with previous versions of the Star Trek RPG
Detailed guidelines for creating and running your own episodes in every era of the Star Trek universe
In-depth creation rules for starships, planets, creatures, hazards, and alien species
Tips for linking your episodes into entire series and "seasons" of adventure for your players