Dav Pilkey

When George and Harold hypnotize their principal into thinking that he is the superhero Captain Underpants, he leads them to the lair of the nefarious Dr. Diaper, where they must defeat his evil robot henchmen.

When we last saw our heroes, George and Harold, they had been turned into evil zombie nerds doomed to roam a devastated, post-apocalyptic planet for all eternity. But why, you might ask, didn't the amazing Captain Underpants save the boys from this frightening fate? Because Tippy Tinkletrousers and his time-traveling hijinks prevented George and Harold from creating Captain Underpants in the first place! Now, having changed the course of human history...

When Professor Pippy P. Poopypants comes to Jerome Horwitz Elementary School to teach science, and he goes off the deep end because students make fun of his name, only Captain Underpants can save the school from the professor's perilous plot.

Only Captain Underpants can stop the three evil space aliens who have invaded Jerome Horwitz Elementary School and turned everyone into lunchroom zombie nerds.

A snotty situation ensues when Melvin Sneedley, an academically-gifted student, turns into the Bionic Booger Boy and must be stopped by George, Harold, and Captain Underpants.

When Professor Pippy P. Poopypants comes to Jerome Horwitz Elementary School to teach science, and he goes off the deep end because students make fun of his name, only Captain Underpants can save the school from the professor's perilous plot.

A spoof of the story of King Kong, with cat and mice characters. Mighty Kat Kong breaks free and tears through the streets of Mousopolis. Is anyone clever enough to stop this massive meowing menance?

En la novena novela, Dav Pilkey lleva a los lectores a los tiempos en que Jorge y Berto estaban en kindergarten, cuando la mayor preocupación de los chicos era un abusón de sexto grado sobrino del director de la escuela. Y como Jorge y Berto no inventaron al Capitán Calzoncillos hasta cuarto grado, los chicos no tienen quien los ayude. No les queda más remedio que usar la cabeza para vencer al abusón.