Rick Riordan

Twelve-year-old Percy Jackson is about to be kicked out of boarding school . . . again. No matter how hard he tries, he can't seem to stay out of trouble. But can he really be expected to stand by and watch while a bully picks on his scrawny best friend? Or not defend himself against his...

Percy Jackson isn’t expecting freshman orientation to be any fun. But when a mysterious mortal acquaintance appears on campus, followed by demon cheerleaders, things quickly move from bad to worse. In this latest installment of the blockbuster series, time is running out as war between the...

Annabeth is terrified. Just when she’s about to be reunited with Percy—after six months of being apart, thanks to Hera—it looks like Camp Jupiter is preparing for war. As Annabeth and her friends Jason, Piper, and Leo fly in on the Argo II, she can’t blame the Roman demigods for thinking...

All year the half-bloods have been preparing for battle against the Titans, knowing the odds of a victory are grim. Kronos’s army is stronger than ever, and with every god and half-blood he recruits, the evil Titan’s power only grows. While the Olympians struggle to contain the rampaging...

After a year spent trying to prevent a catastropic war among the Greek gods, Percy Jackson finds his seventh-grade school year unnervingly quiet. His biggest problem is dealing with his new friend, Tyson--a six-foot-three, mentally challenged homeless kid who follows Percy everywhere, making it...

A publisher in New York asked me to write down what I know about the Greek gods, and I was like, Can we do this anonymously? Because I don't need the Olympians mad at me again. But if it helps you to know your Greek gods, and survive an encounter with them if they ever show up in your face, then...

At the conclusion of The Mark of Athena, Annabeth and Percy tumble into a pit leading straight to the Underworld. The other five demigods have to put aside their grief and follow Percy's instructions to find the mortal side of the Doors of Death. If they can fight their way through the Gaea's...

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...

Magnus Chase, a once-homeless teen, is a resident of the Hotel Valhalla and one of Odin's chosen warriors. As the son of Frey, the god of summer, fertility, and health, Magnus isn't naturally inclined to fighting. But he has strong and steadfast friends, including Hearthstone the elf, Blitzen...

Young Demigods, Your Destiny Awaits! You must prepare yourself for a difficult future: fighting monsters, adventuring across the globe, and dealing with temperamental Greek and Roman gods. You’ll join your favorite demigods from the Percy Jackson and the Heroes of Olympus series as they face...

Thor's hammer is missing again. The thunder god has a disturbing habit of misplacing his weapon--the mightiest force in the Nine Worlds. But this time the hammer isn't just lost, it has fallen into enemy hands. If Magnus Chase and his friends can't retrieve the hammer quickly, the mortal worlds...

So you've made it to Valhalla. Now what? This "who's who" audio guide to the gods, goddesses, and other important figures of Norse mythology was commissioned by Helgi, who, after more than a millennium as manager of Hotel Valhalla, became fed up with answering the same questions from newly...

Beloved characters from the Magnus Chase and the Gods of Asgard series star in these hilarious and imaginative new short stories, each set in a different one of the Nine Worlds from Norse mythology. The Magnus Chase and the Gods of Asgard trilogy may have concluded, but we haven't heard the last...