Author:Rick Riordan

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Image for The Hidden Oracle (Trials of Apollo, Book One)

The Hidden Oracle (Trials of Apollo, Book One)

By: Rick Riordan

Price: $6.95

Publisher: Disney-Hyperion: October 2017

Seller ID: 42804

ISBN: 1484746414

Condition: Used - Good


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Image for Magnus Chase and the Gods of Asgard, Book 1: The Sword of Summer

Magnus Chase and the Gods of Asgard, Book 1: The Sword of Summer

By: Rick Riordan

Price: $6.95

Publisher: Disney-Hyperion: October 2015

Seller ID: 42803

ISBN: 1423160916

Condition: Used - Good


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Image for The Red Pyramid (The Kane Chronicles, Book 1)

The Red Pyramid (The Kane Chronicles, Book 1)

By: Rick Riordan

Price: $5.95

Publisher: Hyperion Book CH: May 2010

Seller ID: 42794

ISBN: 1423113381

Condition: Used - Good


Since their mother's death, Carter and Sadie have become near strangers. While Sadie has lived with her grandparents in London, her brother has traveled the world with their father, the brilliant Egyptologist, Dr. Julius Kane. One night, Dr. Kane brings the siblings together for a "research experiment" at the British Museum, where he hopes to set things right for his family. Instead, he unleashes the Egyptian god Set, who banishes him to oblivion and forces the children to flee for their lives. Soon, Sadie and Carter discover that the gods of Egypt are waking, and the worst of th... View more info

Image for The Serpent's Shadow (The Kane Chronicles, Book Three)

The Serpent's Shadow (The Kane Chronicles, Book Three)

By: Rick Riordan

Price: $5.95

Publisher: Hyperion Book CH: May 2012

Seller ID: 42795

ISBN: 1423140575

Condition: Used - Good


He's b-a-a-ack Despite their best efforts, Carter and Sadie Kane can't seem to keep Apophis, the chaos snake, down. Now Apophis is threatening to plunge the world into eternal darkness, and the Kanes are faced with the impossible task of having to destroy him once and for all. Unfortunately, the magicians of the House of Life are on the brink of civil war, the gods are divided, and the young initiates of Brooklyn House stand almost alone against the forces of chaos. The Kanes' only hope is an ancient spell that might turn the serpent's own shadow into a weapon, but the magic has been lost for... View more info

Image for The House of Hades (Heroes of Olympus, Book 4)

The House of Hades (Heroes of Olympus, Book 4)

By: Rick Riordan

Price: $5.95

Publisher: Disney-Hyperion: October 2013

Seller ID: 42796

ISBN: 1423146727

Condition: Used - Good


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 forces, and Percy and Annabeth can survive the House of Hades, then the Seven will be able to seal the Doors from both sides and prevent the giants from raising Gaea. But, Leo wonders, if the Doors are sealed, how will Percy and Annabeth be able to escape? They have no choice. If the demigods don't succee... View more info

Image for Heroes of Olympus, The , Book Three: The Mark of Athena

Heroes of Olympus, The , Book Three: The Mark of Athena

By: Rick Riordan

Price: $5.95

Publisher: Hyperion Book CH: October 2012

Seller ID: 42797

ISBN: 1423140605

Condition: Used - Good


In The Son of Neptune, Percy, Hazel, and Frank met in Camp Jupiter, the Roman equivalent of Camp Halfblood, and traveled to the land beyond the gods to complete a dangerous quest. The third book in the Heroes of Olympus series will unite them with Jason, Piper, and Leo. But they number only six--who will complete the Prophecy of Seven? The Greek and Roman demigods will have to cooperate in order to defeat the giants released by the Earth Mother, Gaea. Then they will have to sail together to the ancient land to find the Doors of Death. What exactly are the Doors of Death? Much of the prophe... View more info

Image for Heroes of Olympus, The, Book Two: The Son of Neptune

Heroes of Olympus, The, Book Two: The Son of Neptune

By: Rick Riordan

Price: $5.95

Publisher: Hyperion Book CH: October 2011

Seller ID: 42798

ISBN: 1423140591

Condition: Used - Good


Percy is confused. When he awoke after his long sleep, he didn't know much more than his name. His brain-fuzz is lingering, even after the wolf Lupa told him he is a demigod and trained him to fight. Somehow Percy managed to make it to the camp for half-bloods, despite the fact that he had to continually kill monsters that, annoyingly, would not stay dead. But the camp doesn't ring any bells with him.Hazel is supposed to be dead. When she lived before, she didn't do a very good job of it. When the Voice took over her mother and commanded Hazel to use her "gift" for an evil purpose, Haz... View more info

Image for The Maze of Bones (39 Clues, No. 1)

The Maze of Bones (39 Clues, No. 1)

By: Rick Riordan

Price: $2.95

Publisher: Scholastic Press: September 2008

Seller ID: 43226

ISBN: 0545060397

Condition: Used - Good


The first book in this groundbreaking multimedia series sends readers around the world on the hunt for the 39 Clues. Written by #1 NYT bestseller Rick Riordan, and backed by $100,000 in prizes Minutes before she died Grace Cahill changed her will, leaving her decendants an impossible decision: "You have a choice - one million dollars or a clue." Grace is the last matriarch of the Cahills, the world's most powerful family. Everyone from Napoleon to Houdini is related to the Cahills, yet the source of the family power is lost. 39 Clues hidden around the world will reveal the family's se... View more info

Image for The Sea of Monsters (Percy Jackson and the Olympians, Book 2)

The Sea of Monsters (Percy Jackson and the Olympians, Book 2)

By: Rick Riordan

Price: $3.95

Publisher: Miramax: April 2007

Seller ID: 43360

ISBN: 1423103343

Condition: Used - Good


After a summer spent trying to prevent a catastrophic 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 hard for Percy to have any "normal" friends. But things don't stay quiet for long. Percy soon discovers there is trouble at Camp Half-Blood: the magical borders which protect Half-Blood Hill have been poisoned by a mysterious enemy, and the only safe haven for demigods is on the verge of being... View more info

Image for The Titan's Curse (Percy Jackson and the Olympians, Book 3)

The Titan's Curse (Percy Jackson and the Olympians, Book 3)

By: Rick Riordan

Price: $2.95

Publisher: Hyperion: April 2008

Seller ID: 43456

ISBN: 1423101480

Condition: Used - Good


When the goddess Artemis goes missing, she is believed to have been kidnapped. And now it's up to Percy and his friends to find out what happened. Who is powerful enough to kidnap a goddess? They must find Artemis before the winter solstice, when her influence on the Olympian Council could swing an important vote on the war with the titans. Not only that, but first Percy will have to solve the mystery of a rare monster that Artemis was hunting when she disappeared-a monster rumored to be so powerful it could destroy Olympus forever. View more info

Image for The Lightning Thief (Percy Jackson and the Olympians, Book 1)

The Lightning Thief (Percy Jackson and the Olympians, Book 1)

By: Rick Riordan

Price: $2.95

Publisher: Disney-Hyperion: April 2006

Seller ID: 43457

ISBN: 0786838655

Condition: Used - Good


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Image for The Battle of the Labyrinth (Percy Jackson and the Olympians, Book 4)

The Battle of the Labyrinth (Percy Jackson and the Olympians, Book 4)

By: Rick Riordan

Price: $2.95

Publisher: Hyperion Book CH: April 2009

Seller ID: 43458

ISBN: 1423101499

Condition: Used - Good


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 diabolical. In this latest installment of the blockbuster series, time is running out as war between the Olympians and the evil Titan lord Kronos draws near. Even the safe haven of Camp Half-Blood grows more vulnerable by the minute as Kronos's army prepares to invade its once impenetrable borders. To stop them, Percy and his demigod friends must set out on a quest through the Labyrinth-a sprawling und... View more info

Image for The Sea of Monsters (Percy Jackson and the Olympians, Book 2)

The Sea of Monsters (Percy Jackson and the Olympians, Book 2)

By: Rick Riordan

Price: $2.95

Publisher: Miramax: April 2007

Seller ID: 43459

ISBN: 1423103343

Condition: Used - Acceptable


After a summer spent trying to prevent a catastrophic 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 hard for Percy to have any "normal" friends. But things don't stay quiet for long. Percy soon discovers there is trouble at Camp Half-Blood: the magical borders which protect Half-Blood Hill have been poisoned by a mysterious enemy, and the only safe haven for demigods is on the verge of being... View more info

Image for The Sea of Monsters (Percy Jackson and the Olympians, Book 2)

The Sea of Monsters (Percy Jackson and the Olympians, Book 2)

By: Rick Riordan

Price: $2.95

Publisher: Miramax: April 2007

Seller ID: 43460

ISBN: 1423103343

Condition: Used - Good


After a summer spent trying to prevent a catastrophic 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 hard for Percy to have any "normal" friends. But things don't stay quiet for long. Percy soon discovers there is trouble at Camp Half-Blood: the magical borders which protect Half-Blood Hill have been poisoned by a mysterious enemy, and the only safe haven for demigods is on the verge of being... View more info

Image for The Last Olympian (Percy Jackson & the Olympians, Book 5)

The Last Olympian (Percy Jackson & the Olympians, Book 5)

By: Rick Riordan

Price: $3.95

Publisher: Disney Hyperion Books for Children: May 2009

Seller ID: 43461

ISBN: 1423101472

Condition: Used - Good


All year the half-bloods have been preparing for battle against the Titans, knowing the odds of 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 monster Typhon, Kronos begins his advance on New York City, where Mount Olympus stands virtually unguarded. Now it's up to Percy Jackson and an army of young demigods to stop the Lord of Time. In this momentous final book in the "New York Times" best-selling Percy Jackson and the Olympians series, the lo... View more info

Image for The Battle of the Labyrinth (Percy Jackson and the Olympians, Book 4)

The Battle of the Labyrinth (Percy Jackson and the Olympians, Book 4)

By: Rick Riordan

Price: $3.95

Publisher: Hyperion Books for Children: May 2008

Seller ID: 43462

ISBN: 1423101464

Condition: Used - Good


As an incoming freshman, Percy isn't expecting his high school orientation to be any fun. But when a mysterious mortal acquaintance appears, followed by demon cheerleaders, things quickly move from bad to worse. In this fourth installment of the blockbuster series, time is running out as war between the Olympians and the evil Titan lord Kronos draws near. Even the safe haven of Camp Half Blood grows more vulnerable by the minute as Kronos's army prepares to invade its once impenetrable borders. To stop them, Percy and his demigod friends will set out on a quest through the Labyrinth-a ... View more info

Image for The Demigod Files (A Percy Jackson and the Olympians Guide)

The Demigod Files (A Percy Jackson and the Olympians Guide)

By: Rick Riordan

Price: $2.95

Publisher: Hyperion Book CH: February 2009

Seller ID: 43497

ISBN: 142312166X

Condition: Used - Good


How do you handle an encounter with Medusa on the New Jersey interstate? What's the best way to take down a minotaur? Become an expert on everything in Percy's world with this must-have guide to the Percy Jackson and the Olympians series. Complete with interviews, puzzles, games, and original short stories by Rick Riordan. View more info

The Maze of Bones (39 Clues, No. 1)

By: Rick Riordan

Price: $2.25

Publisher: Scholastic: January 2008

Seller ID: 43508

ISBN: 0545243653

Condition: Used - Good


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The Lightning Thief

By: Rick Riordan

Price: $3.95

Publisher: Scholastic: January 2006

Seller ID: 44096

ISBN: 0545799007

Condition: Used - Good


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Image for The Heroes of Olympus, Book Three The Mark of Athena (Heroes of Olympus, The Book Three) (The Heroes of Olympus (3))

The Heroes of Olympus, Book Three The Mark of Athena (Heroes of Olympus, The Book Three) (The Heroes of Olympus (3))

By: Rick Riordan

Price: $2.95

Publisher: Disney-Hyperion: April 2014

Seller ID: 44759

ISBN: 1423142004

Condition: Used - Good


In The Son of Neptune, Percy, Hazel, and Frank met in Camp Jupiter, the Roman equivalent of Camp Halfblood, and traveled to the land beyond the gods to complete a dangerous quest. The third book in the Heroes of Olympus series will unite them with Jason, Piper, and Leo. But they number only six--who will complete the Prophecy of Seven? The Greek and Roman demigods will have to cooperate in order to defeat the giants released by the Earth Mother, Gaea. Then they will have to sail together to the ancient land to find the Doors of Death. What exactly are the Doors of Death? Much of the prophe... View more info