When the residents of a far-distant planet send a message to Earth asking for someone to meet with them, the President of the United States asks Stanley Lambchop, an all-American boy, to be his ambassador.

"The four princes erroneously dubbed by Prince Charming and rudely marginalized in their respective fairy tales have to once again save the kingdom from a great threat"--

Will the Greek god Apollo, cast down to Earth in the pathetic mortal form of a teenager named Lester Papadopoulos, finally regain his place on Mount Olympus? Lester's demigod friends at Camp Jupiter just helped him survive attacks from bloodthirsty ghouls, an evil Roman king and his army of the undead, and the lethal emperors Caligula and Commodus. Now the former god and his demigod master Meg must follow a prophecy uncovered by Ella the harpy. Lester's...

Principal Krupp once again turns into the superhero Captain Underpants in order to save the world, and Jerome Horwitz Elementary School, from the evil talking toilets and the Turbo Toilet 2000.

Flat Stanley travels to Washington D.C. to receive a special award from the President herself, but even after all his adventures, he is still not sure if he deserves to be called a hero.

Alanna continues to create her own life as a female warrior when she and new companions journey to the Roof of the World seeking the powerful Dominion Jewel, perhaps the last hope of saving her country from dissension and hostile magic.

George and Harold are forced to contemplate a world without Captain Underpants.

"Meet Sam: an insolent pug--and incidental hero--who will stop at nothing to protect his family! When scientists Elaine and Gary Peterson adopt Sam to keep their son, Justin, company in the midst of a top-secret research project, they never imagine the precocious pup will cause more harm than good. But from chewing up Elaine's hair dryer (the “brain-melting heat cannon”) to his inability to be house-trained (who could resist the 'pooping rug'?),...

"When the city is hit by a colossal snowstorm, only one superhero can save the day. But who is this mysterious hero, and why does he disappear once his job is done?"--

The conflict that has been simmering between the new superhumans and the Trutopians begins to boil over, threatening the world with extinction.First the Earths champions, old and new, returned to a world that thought the era of superheroes had come to a close. Then an age-old conflict of good versus evil, heroes versus villains, was renewed. And now it all comes down to one battle,the battle to end all battles. And if Quantum's prophecy proves true,...