Dav Pilkey

The monstrous Turbo Toilet 2000 is determined to take revenge on George, Harold, and Captain Underpants.

After an encounter with a skunk, Dog Man, now scarlet red after being dunked in tomato juice, is exiled but must find a way to save those who shunned him when an all-new, never-before-seen villain unleashes an army of A.I. robots.

A small mouse named Ricky Ricotta and his best friend, a giant flying robot, save the world from Victor Von Vulture and his vicious Voodoo Vultures from Venus.

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.

"Dog Man is down on his luck, Petey confronts his not so purr-fect past, and Grampa is up to no good. The world is spinning out of control as new villains spill into town. Everything seems dark and full of despair. But hope is not lost. Can the incredible power of love save the day?"--Provided by publisher.

Having changed the course of human history after unwittingly wondering what could be worse than going to prison, George and Harold are shot through time back to kindergarten, where they are subjected to bullying and a clueless school principal.

"The comic club is going in all different directions! Naomi, Melvin, and siblings are each trying to find their purpose. Naomi has an idea to get rich quick that causes a lot of commotion and emotion. And when faced with rejections, the friends try and try again to stay true to their vision. To top it off, a surprise visitor comes to class to stir things up. Will a desire for money and power cloud Naomi's purpose? Is it quitting time? Will the club...

The Cat Kid Comic Club is in crisis! After learning that one of their comics will be published, the baby frogs are filled with anxiety and doubt. How will they get their creative groove back? Will Naomi or Melvin emerge as a leader? Will Flippy convince them to finally straighten up and fly right?

George and Harold have really done it this time-- they've created a monster! She's faster, smarter, and more evil than anything the world has seen before--she's Wedgie Woman! With the help of her horrible robots and her horrendous hairdo, Wedgie Woman is on a mission to take over the world, and she'll give a whopping wedgie to anyone who stands in her way--including Captain Underpants.

In trouble with their principal because of their comic books about poop, George and Harold decide to create a new graphic novel about an entirely different subject: pee.