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Carl Sagan
A Closed and Common Orbit (Wayfarers 2)
Becky Chambers
Wayfarers (2)
Ancillary Mercy (Imperial Radch Book 3)
Ann Leckie
Imperial Radch (3)
Ancillary Justice (Imperial Radch Book 1)
Imperial Radch (1)
Island in the Sea of Time
S.M. Stirling
Nantucket (1)