Pop culture, chaos theory and matters of the heart collide in this unique novella from the Hugo and Nebula winning author of Doomsday Book.   Sandra Foster studies fads and their meanings for the HiTek corporation. Bennet O'Reilly works with monkey group behavior and chaos theory for the same   company.   When the two are thrust together due to a misdelivered package and a run of seemingly bad luck, they find a joint project in a flock of sheep. But a                                                                         series of setbacks and disappointments arise before they are able to find answers to their questions.