James H Schmitz's "The Demon Breed" aka "The Tuvela" (novel, psychological warfare, humor, free): Humanity has secret super-human rulers!
Very funny story of two very resourceful individuals - a young woman & an older man - vs ruthless invading aliens, on an uninhabited floating island on a remote waterworld.
- James H Schmitz's "The Hub: Dangerous Territory".
Fact sheet.First published: Analog, September/October 1968.
Download full text from Webscription. [via Bill Garthright @ ClassicScienceFiction]
Among the stories from Astounding/Analog issues edited by John Campbell.
Related: Stories of James H Schmitz.