Gödel, Escher, Bach: An Eternal Golden Braid
Douglas R. Hofstadter
Shadow Study
Maria V. Snyder
Chronicles of Ixia (4)
Eyes of the Shadow
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The Shadow (2)
Jill Kismet: The Complete Series
Lilith Saintcrow
Jill Kismet (1)
Some Principles of Maritime Strategy
Sir Julian Stafford Corbett