Pirate Penguin vs Ninja Chicken (Book 1) Pirate Penguin vs Ninja Chicken (Book 1)
2011
Pirate Penguin vs. Ninja Chicken, Book 2: Escape from Skull-Fragment Island! Pirate Penguin vs. Ninja Chicken, Book 2: Escape from Skull-Fragment Island!
2016
Pirate Penguin vs Ninja Chicken (Book 3): Macaroni and Bees?!? Pirate Penguin vs Ninja Chicken (Book 3): Macaroni and Bees?!?
2021