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Critical Threshold

(1977)
(The second book in the Daedalus Mission series)
A novel by

 
The planet called Dendra seemed too good to be true: one vast forest world, marvelous climate, few dangerous beasts, a balanced hospitable ecology -- all should have speed out a good place for a human colony.

But the original survey team had registered doubts, listed it as borderline without further explanation. Nevertheless the politicians had okayed it, and a colony had been panded there ... and 150 Earth years had passed without anyone hearing from it.

Not the recontact vessel Daedalus was coming to check up -- and they found the climate as marvelous as before, the forest green and friendly, and the colony an inexplicable disaster. There was a biological and psychological puzzle that had to be solved for the sake of all human world -- and for the drew of the Daedalus, it was either crack it or crack up!

Genre: Science Fiction
 
Used availability for Brian M Stableford's Critical Threshold


See all available used copies of this book at Abebooks UK or Abebooks US
 

Paperback Editions

July 2011 : USA Paperback
thumbTitle: Critical Threshold: Daedalus Mission, Book Two
Author(s): Brian Stableford
ISBN: 1-4344-3557-1 / 978-1-4344-3557-6 (USA edition)
Publisher: Borgo Press
Availability: Amazon UK   Amazon CA   

March 1979 : UK Mass Market Paperback
thumbTitle: Critical Threshold (Hamlyn science fiction)
Author(s): Brian Stableford
ISBN: 0-600-32041-3 / 978-0-600-32041-8 (UK edition)
Publisher: Littlehampton Book Services Ltd
Availability: Amazon   Amazon UK   Amazon CA   

February 1977 : USA Mass Market Paperback
thumbTitle: Critical Threshold (The Daedalus Mission, Book 2)
Author(s): Brian M Stableford
ISBN: 0-87997-282-3 / 978-0-87997-282-0 (USA edition)
Publisher: DAW Books
Availability: Amazon   Amazon UK   Amazon CA   

Audio Editions

March 2012 : USA Audio edition
thumbTitle: Critical Threshold: The Daedalus Mission, Book 2
Author(s): Brian M Stableford
Publisher: Wildside Press LLC
Availability: Amazon   

March 2012 : UK Audio edition
thumbTitle: Critical Threshold: The Daedalus Mission, Book 2
Author(s): Brian M Stableford
Publisher: Wildside Press LLC
Availability: Amazon UK   

Kindle Editions

September 2011 : USA, Canada, UK Kindle edition
thumbTitle: Critical Threshold: Daedalus Mission, Book Two
Author(s): Brian Stableford
Publisher: Wildside Press
Availability: Amazon   Amazon UK   Amazon CA   


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