Admiral Bob
Spider Robinson
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Callahan (1)
Lifehouse
Mindkiller (3)
Callahan's Legacy
Callahan (8)
Orphans of Eden
Off the Wall at Callahan's
Callahan (7)
His Own Petard
The Callahan Touch
Callahan (6)
The End of the Painbow
The Immediate Family
Lady Slings the Booze
Callahan (5)
Timewyrm: Apocalypse
Nigel Robinson
Doctor Who New Adventures (3)
Pacific Edge
Kim Stanley Robinson
Orange County (3)
The Martians
Mars Trilogy (4)
A Martian Romance
Antarctica
Blue Mars
Mars Trilogy (3)
Green Mars
Mars Trilogy (2)