Reward for Retief

"In Zany-Doo did Jame Retief aa stately pleasure dome decree..."
Retief's latest assignment is on Zany-Doo, a wild, undeveloped planet whose residents have a marked dislike for Terrans. The caterpilleroid natives seem to have something to hide, but neither Ambassador Spoilsport nor Retief's ineffable boss, Ben Magnan, can figure out what it might be. Then Retief and Magnan stumble into an idyllic enclave unlike anything else they've seen -- and realize just how special Zany-Doo is. The planet is at the center of a trans-temporal flux where the very nature of reality can be transformed by a thought.
But even in a world where reality is subject to whim, honor, courage and determination will carry the day. After all, Retief is just a state of mind....