Philip K Dick Award Best Book (nominee)
A supposedly harmless form of alien fungal life that possesses a tranquilizing effect on the human nervous system, the Quill begins to mutate, taking on a dangerous new form that threatens to annihilate the terraformed planets and their human colonists.
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Used availability for Julie E Czerneda's In the Company of Others
1923 : USA Hardback
June 2001 : USA Mass Market Paperback
June 2001 : USA, Canada Kindle edition