The Original Trilogy of Trilogies, or Ninety-Four Percent of Everything is sh**
Book 1: Everything turns to sh**
Book 2: Everything is sh**
Book 3: We install plumbing
Book 4: The toilet backs up
Book 5: The house overflows
Book 6: We save the house, but the plumber dies
Book 7: The plumbing explodes
Book 8: We resurrect the plumber
Book 9: We discover the true meaning of sh**
The David Eddings Variations, or What Is This sh**?
Book 1: Everything turns to sh**
Book 2: Everything is sh**
Book 3: Everyone starts shoveling
Book 4: The sh** dries around everyone's ankles
Book 5: We call in the plumber and a back-hoe
Book 6: The toilet backs up
Book 7: The house overflows
Book 8: The back-hoe's out of gas and the plumber's phone is in the shop
Book 9: We fill the tank and fix the phone
Book 10: The plumber saves the house, but is k**ed by the back-hoe
Book 11: The plumbing explodes, taking the back-hoe with it
Book 12: We search for a repairman, who must resurrect the plumber
Book 13: We discover the true meaning of sh**
Book 14: We become one with the sh**
Book 15: The sh** is destroyed by sending the plumbing to a nether dimension, but from now on everyone is kind of uncomfortable
The Piers Anthony Variations, or Enough of This sh**
Book 1: Everything turns to candy-coated sh**
Book 2: Candy-coated sh** turns out to be intelligent and can talk
Books 3-Infinity: Sounds like candy-coated sh** to me