Third girl
Agatha Christie
Hercule Poirot Mystery (35)
Hothouse
Brian Aldiss
So Long, and Thanks for All the Fish
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Hitchhiker's Guide to the Galaxy (4)
Acorna's World
Anne McCaffrey & Elizabeth A. Scarborough
Acorna (4)
The Ship Who Won
Anne McCaffrey & Jody Lynn Nye
Brainship (5)