Series
Gregg Press science fiction series
We don't know whether this one is finished.
Nobody has confirmed the status of this series yet. That's a gap in our data, not a verdict on the books.
9 books here · 1967–1999
Publication order
This is publication order — nobody has confirmed a different reading order for this one yet.
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The Big Time
· Fritz Leiber
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Destination Void
· Frank Herbert
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The Puppet Masters
· Robert A. Heinlein
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The Man in the High Castle
· Philip K. Dick
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The green millennium
· Fritz Leiber
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The bloody sun and To keep the oath
· Marion Zimmer Bradley
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The Fall of the Towers
· Samuel R. Delany
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The Zap Gun
· Philip K. Dick
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I Will Fear No Evil
· Robert A. Heinlein