Harold and George's time-traveling Purple Potty lands them in an alternate universe where everything seems delightful, but evil lurks just beneath the surface, and leads to a battle between Captain Underpants and his own evil twin.

All the other dogs make fun of Oscar the dachshund until one Halloween when, dressed as a hot dog, Oscar bravely rescues the others.

Everyone is after Arthur Penhaligon including strange pirates, shadowy creatures, and Drowned Wednesday, whose gluttony threatens both her world and Arthur's.

Nicholas St. North, a daredevil swordsman seeking treasure in the fiercely guarded village of Santoff Claussen finds, instead, the great wizard Ombric Shalazar and a battle against the Nightmare King and his evil Fearlings--a battle Nicholas can win only if he finds five other Guardians in time.

"Something is amiss with the world's magic. Spells don't work the way they used to--when they work at all. Only the powers of the Crystal Mages remain as they were, powers founded on the use of the mystical element adamis, the harvesting of which has enslaved the peoples of the Twilight Lands. They need a hero. At the same time, ravenous beasts have begun to appear, legendary creatures that seem to be proof against any magic. And Clea Stylachos, granddaughter...

Thirteen-year-old Odysseus, who longs to be a hero, has many opportunities to prove himself during an adventure which involves pirates and satyrs, a trip to Crete's Labyrinth, and the two young girls, Penelope and Helen, who play a major role in his future life.

Transgender demigod Teo is unexpectedly selected for the Sunbearer Trials, a fierce competition among demigod heroes where the winner sacrifices the loser to Sol, their blood fueling the Sun Stones that protect Reino del Sol. "Only the most powerful and honorable semidióses get chosen. I'm just a Jade. I'm not a real hero." As each new decade begins, the Sun's power must be replenished so that Sol can keep traveling along the sky and keep the evil...

"A displaced community fights for hope on the ragged edge of survival"--Cover. A group of rabbits flees to a safe haven after their home is invaded. Their king tries to bring the community back together in their new land but some rabbits are hesitant to settle. Former coal miner, Fleck, chooses to be loyal to his king, vowing to protect him and his son as all the rabbits struggle to create a home for themselves.

"A mysterious doorway! Sure, it's in the grossest restaurant in the world, but that doesn't make it any less mysterious, OK? Behold! What lies beyond it?! An evil centipede? An alternate universe? A few decent explanations? Hey! Was that a chain saw?!" -- Back cover.

Sophomore Samantha Madison stops a presidential assassination attempt, is appointed teen ambassador to the United Nations, and catches the eye of the very cute First Son.