The Solar Commonwealth is still in its infancy, and already facing its first challenge. A mysterious ship enters the system and is headed straight for Earth. Can the fledgling Solar Fleet defend the homeworld, or will the Commonwealth fail on its first test?

Humanity is just one of thousands of civilizations in the galaxy, And not all of the neighbors wish us well.

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“Clever maneuvers and statesmanship keep this prequel cruising at full impulse power … An entertaining, very-special-episode entry of a fine series.” — Kirkus Reviews

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