What Is This Thing Called Ethics?

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The Higher Frontier

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Star Trek: The Next Generation: Greater Than the Sum

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Star Trek: Titan #5: Over a Torrent Sea

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The Captain's Oath

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Living Memory

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Rise of the Federation: A Choice of Futures

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Star Trek: Myriad Universes: Infinity's Prism

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Star Trek: Mere Anarchy

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Groundwork for the Metaphysics of Morals

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