Captain Underpants and the Tyrannical Retaliation of the Turbo Toilet 2000: Color Edition (Captain Underpants #11) (Color Edition)

The Turbo Toilet 2000 returns in the eleventh book in this #1 New York Times bestselling series by Dav Pilkey, the author and illustrator of Dog Man! Just when you thought it was safe to flush, the Turbo Toilet 2000 strikes back! T