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.

George and Harold are transported to a school where the teachers are always nice, the cafeteria serves good food, and the principal laughs at their jokes. They realize something is very wrong when their pet pterodactyl and the Bionic Hamster are kidnapped by their evil look-alikes.

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

Fourteen-year-old Jason Walker is transported to a strange world called Lyrian, where he joins Rachel, who was also drawn there from our world, and a few rebels, to piece together the Word that can destroy the malicious wizard emperor, Surroth.

When Sleeping Beauty's nemesis breaks the Evil Queen out of the dungeon, Gilly and her friends at Fairy Tale Reform School must figure out how to stop Alva from terrorizing the village of Enchantasia--before she comes after the ones Gilly loves the most.

An accident at school brings quiet, imaginative Leo to the attention of the popular crowd, but their expectations have him misbehaving and cause him to lose his best friend George, so when a neighbor's dog is trapped by a meteor strike Leo becomes a real hero in hopes of setting things right.

"It's not easy being Apollo, especially when you've been turned into a human and banished from Olympus. On his path to restoring five ancient oracles and reclaiming his godly powers, Apollo (aka Lester Papadopoulos) has faced both triumphs and tragedies. Now his journey takes him to Camp Jupiter in the San Francisco Bay Area, where the Roman demigods are preparing for a desperate last stand against the evil Triumvirate of Roman emperors. Hazel, Reyna,...

A collection of ten stories by authors from the Rick Riordan Presents imprint that remix myths for modern readers.

Elle Campbell is a non-binary seventh-grader who is excited their hero non-binary star Nuri Grena is coming to their town for a book signing--it was Nuri's story that inspired Elle to declare themselves and they are not about to let detention stop them and their friends from meeting Nuri.

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