Sliding Scales (2004) is a science fiction novel by American writer Alan Dean Foster. The book is the ninth chronologically in the Pip and Flinx series. Plot summary In Sliding Scales Flinx is confounded by how to proceed with his life. He abandoned his injured girlfriend, Clarity Held, on the planet New Riviera under the protection of his friends Truzenzuzex and Bran Tse-Mallory (see events in Flinx's Folly) with the understanding he would search the galaxy for the Tar-Aiym weapons platform that has once been in the system Pyrassis. Not knowing where to go to start the search, Flinx first visits his homeworld of Moth, then broods as his ship, Teacher takes him aimlessly through the galaxy. Teacher’s AI suggests something unusual to take him out of his funk: a vacation. This is followed another surprising suggestion: that he take the vacation in an isolated world that lies within an area of space that is claimed by both the AAnn Empire and The Humanx Commonwealth; a near-desert planet named Jast. The native sentient species of Jast is the Vssey, a single-sex species that resembles and acts much like a giant mobile mushroom. The Vssey are loosely allied with the AAnn, though not yet a part of their empire. Some members of the Vssey are strongly opposed to a closer alliance, though the ruling government seeks to bring the two worlds closer together. Flinx enters this unsettled atmosphere and is immediately suspected of being a spy for the Humanx Commonwealth. Taken by Secondary Administrator Takuuna VBXLLW on what is to be a sightseeing tour of a canyon. Either through accident or fortune Takunna’s tail knocks Flinx over the edge of the canyon and to his death. Flinx manages to survive the fall, but with a head injury causing amnesia. He wanders the Jast desert for several days before being rescued by a Chraluuc, a member of a most unusual organization: an AAnn artist colony known as the Tier of Ssaiinn. Considered outcasts by AAnn society, Flinx is safe among these aliens, so safe that he is actually adopted by the Tier under the name Flinx LLVVRXX once he proves to them he has the soul of an artist. Meanwhile, back in the cities of Jast, an insurrection is ongoing as a faction of Vssey start a bombing campaign against the AAnn. Based on his success in getting rid of the supposed