Star Trek Stargazer #3: Stargazer: Three

Identical twins Gerda and Idun Asmund lost their human parents early in life and were raised as warriors on the Klingon homeworld. They were taught to face every danger shoulder to shoulder -- regarding each other as the only certainty in a dangerous and uncertain universe.
The Asmunds continued to depend on each other as helm officer and navigator on the Starship Stargazer, peril and adversity forging a bond between them as strong as tritanium.
But that bond is tested when a tr…