- Sorry I Barfed on Your Bed: (and Other Heartwarming Letters from Kitty)
- Sorry I Slept on Your Face: Breakup Letters from Kitties Who Like You but Don't Like-Like You
- Sorry I Pooped in Your Shoe (and Other Heartwarming Letters from Doggie):
- Sorry I Barfed on Your Bed Again: (and More Heartwarming Letters from Kitty)
- Stink Outside the Box: Life Advice from Kitty