Libros
Why Fish Fart
2014
Why Dogs Eat Poop
2013
Why You Shouldn't Eat Your Boogers
2013
Why Dogs Eat Poop, and Other Useless or Gross Information About the Animal Kingdom
2010
Why You Shouldn't Eat Your Boogers and Other Useless or Gross Information About Your Body
2008
Why Fish Fart and Other Useless Or Gross Information About the World
2009