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Percy Jackson and the Olympians and 39 Clues Crossovers
26 The Collision of the Two Worlds » by NRK What happens when the two different worlds surprisingly collide. Alliances and friendships are formed or will hatred ensure the fall of both worlds while fate runs it's course.
K, English, Friendship & Hurt/Comfort, chapters: 13, words: 14k+, favs: 10, follows: 18, updated: 3/17 published: 6/26/2014, [Annabeth C., Percy J.] [Amy C., Ian K.]
11 The future Adventures » by saya kaher This is a Percy Jackson/Magnus Chase/39 clues crossover. Percy has a sister and a family of his own. He now a godling(meaning in story) too! He has to leave his mother's side family to ensure their safety but what will happen when he gets into trouble? will his family be able to save him and Annabeth? Will they succeed in defeating their enemies? read the story to find out.Have fun
K, English, Adventure & Family, chapters: 22, words: 20k+, favs: 6, follows: 6, updated: 4/19/2019 published: 4/4/2019
25 PJO and 39 Clues fanmail » by 1davey29 fanmail!
K+, English, chapters: 5, words: 977, favs: 2, follows: 3, updated: 1/20/2017 published: 11/12/2010
69 The Great Battle » by TrueTeal This is an adventure like no other for Percy and the 7. They meet a lot of new people, and demigods at that! This is an Epic adventure for them all! It is several small quests/adventures leading up to the Big War. Kronos and Gaea are back, WITH ALLIES, INCLUDING THE ONE, OPAL KOBOI, AND SCORPIA, WHICH IT'S HIGH RANKING OFFICERS INCLUDE THE VESPERS, PLUS ISABEL KABRA, WHO OWNS ITEX!
K, English, chapters: 61, words: 42k+, favs: 7, follows: 10, updated: 12/1/2016 published: 1/16/2015
3 Percy Jackson : The Leader of the Lucians by Mr Dionysus Fantastic Fan Crossover series : Percy is unknowingly given the Lucian serum by Vikram Kabra. After Vikram dies, no one knows about Percy being given the serum. Percy because leader of the Lucians along with lan Kabra.But what happens when Annabeth is an Ekaterina ...
K, English, Romance & Humor, words: 336, favs: 3, follows: 3, 8/6/2016
23 Ian Jackson and the Olympians » by Krystal Cahill-2014 This is my first story so plz read. The Cahill's go on a reunion and read the Percy Jackson and the Olympians the lightning thief. But theirs a twist... PJO characters are replaced with the Cahill's. Amian Hamead Teagan Nedison
T, English, chapters: 4, words: 10k+, favs: 6, follows: 5, updated: 7/20/2016 published: 6/21/2014, Amy C., Ian K., Jonah W., OC
8 A Cahill Reunion, With A Twist » by Cayloeforever35 We have another reunion on our hands, and this time there are surprise guests?
T, English, Humor & Romance, chapters: 2, words: 772, favs: 3, follows: 4, updated: 2/24/2016 published: 9/12/2015, [Will S., OC] Amy C., OC
3 Florida Vs Demigods and Cahills by TrueTeal The title explains it all: it is a court case with Annabeth, Piper, Amy, and Laura as the defendants in a 1st degree murder and grand theft auto case. And, wouldn't you know? Their defense counselor is non other than Ben Matlock.
K+, English, Mystery & Crime, words: 127, 1/20/2016
29 Paths Carved in Stone » by QuayJaquelinXeomaraZendaya Amy, Percy, Jason, and Hazel head to New Orleans to find the hostages and maybe bring down the Vespers while they're at it. They find and enter the stronghold easily enough, but can they manage to navigate and escape it too? Their quest will force them to face their fears, test their limits, and find out if any of the hostages are still alive by the end of it.
T, English, Adventure & Friendship, chapters: 7, words: 8k+, favs: 3, follows: 9, updated: 11/22/2015 published: 9/24/2015, Percy J., Amy C.
1 Prophecy Of the Milinium » by TrueTeal Annabeth and Piper are kidnapped, and Percy and Jason have no idea what to do. The Flock is attacked and Angel is captured. Amy Cahill is kidnapped, along with Maggie Rose and Micheal Goldberg. Angel manages to escape and is able to lead to the rescue of those who were kidnapped, but also eventually leads to the downfall of the Vespers and Gary Soneji.
K+, English, Adventure & Crime, chapters: 2, words: 1k+, follows: 1, updated: 10/5/2015 published: 9/29/2015
7 Percy Jackson and Amy Cahill by Percy39games Amy isn't a demigod and Percy isn't a Cahill,but can Amy see through the mist?
K+, English, Adventure & Romance, words: 39, favs: 1, follows: 4, 6/28/2015, [Percy J., Amy C.] [Annabeth C., Jake R.]
13 Olympus Stand: The Lock of Gideon » by Prodigy411 When the Cahills and demigods learn their a bit of both, they must work together to stop Diachronikó Vesper, Damien Vesper III's long lost brother, descendant of Kronos, from opening the ate behind the Gideon Lock. Can the demigods and Cahills stop Diachronikó, or will all be lost? First in the Olympus Stand series.
T, English, Adventure, chapters: 4, words: 1k+, favs: 4, follows: 3, updated: 3/8/2015 published: 3/7/2015
250 Who Wants the Medusa? » by QuayJaquelinXeomaraZendaya This is my first fan fic- no flames please. Follows The Medusa Plot, but has some changes. Future AmyxJason.
K+, English, Adventure & Friendship, chapters: 38, words: 56k+, favs: 100, follows: 97, updated: 2/8/2015 published: 11/12/2011, Percy J., Amy C.
6 A Sea Monster Ride in the Atlantic by QuayJaquelinXeomaraZendaya Third to "A Pegasus Ride" and "A Dog Ride" one-shots. In this one-shot, Dan (with guest star Saladin!) come across a very interesting new beast. Warning: lots of random references, horrible taunts, and bad plans. Wait, how come only Percy and Nico get a ride?
K, English, Humor, words: 1k+, favs: 2, follows: 1, 12/31/2014
217 School of Chaos » by luciangirl06 Amy goes back to school. What will happen when she meets her sneaky relatives? What will happen once she meets Annabeth and Percy? A powerful demigod is sure to attract monsters. Takes place after TLO and Into the Gauntlet. Notice: This fan fiction is undergoing major renovations. New readers are welcome to read. For the old ones, please re-read.
K+, English, chapters: 3, words: 3k+, favs: 89, follows: 109, updated: 10/21/2014 published: 10/23/2010, [Annabeth C., Percy J.] [Amy C., Ian K.]
39 Silver Arrow » by shiningwaves Master Bolt and Master Serum? Think about it. As Amy and Dan near closer to the only thing powerful enough to defeat the gods, Percy and Annabeth are sent to destroy all the clues in their wake. But as they reach the serum, they have orders to kill them. Yet sometimes in Life, you can't decifer whats wrong, and whats right.*rewritten* Origanally Impossible Quest NOT AmyxPercy
T, English, Family & Drama, chapters: 3, words: 3k+, favs: 15, follows: 25, updated: 5/9/2014 published: 6/20/2012, Percy J., Amy C.
29 Percy Cahill :The Medusa's Plot » by michael in the bathroom Percy Jackson is actually Percy Cahill, He is Amy and Dan's half brother .Watch the three siblings as they struggle to complete Vesper 1's demands. Suspicion arises and secrets will be revealed. Percy is still a ad the A/N guys please READ AND tnx
T, English, Family & Adventure, chapters: 2, words: 1k+, favs: 32, follows: 34, updated: 5/4/2014 published: 9/15/2013, Percy J., Amy C., Dan C.
3 When TCDK attempts to do a T&D story » by The Smiley Face Killer This is going to be a PJO & HOO, 39 Clues, The Secrets of the Immortal Nicholas Flamel, Skuldeggery Pleasant crossover. I know a lot of people, but a crowd is fun isn't it? Anyway, so basically, I kidnap some charecters and the ones as EE or KM are actually my classmates that want to be famous. As if :D. Also DOK is my sister, she wanted to be famous too XD. Rated T to be safe
K, English, chapters: 5, words: 3k+, updated: 2/5/2014 published: 1/18/2014
69 Piper Mc'Lean is not a Mary Sue by KurlyCrazyKat If you haven't read 39 Clues then skip the intro if you just want the argument... This story is basically true...I had an argument with someone over the internet about Piper... And had trouble not throwing my computer because I got angry...
K, English, Humor, words: 3k+, favs: 6, follows: 3, 12/24/2013, Piper M., Jason G.
13 It began with a funeral » by broken doll of despair I'm off to a funeral" Percy said, "then I guess we're off to a funeral!" Hermes laughed. THIS STORY HAS BEEN ADOPTED BY CANDYLAND7
K+, English, Adventure, chapters: 3, words: 685, favs: 16, follows: 13, updated: 12/16/2013 published: 12/8/2012, Percy J.
14 The Mystery Of The World And Atlantis » by 1davey29 Mysteries galore. Plus a great story.
K+, English, Mystery & Adventure, chapters: 4, words: 244, favs: 2, follows: 2, updated: 12/9/2013 published: 11/12/2010
22 An Afternoon Run » by chatterbox11323 Amy, Dan and Nellie are running away from a manager after Dan stole some skittles, they bump into Percy, Annabeth and Grover and soon discover themselves in a sticky situation
K, English, Adventure & Humor, chapters: 3, words: 1k+, favs: 10, follows: 11, updated: 11/22/2013 published: 6/1/2013, Annabeth C., Grover, Percy J., Dan C.
The Hero » by jackmysweg1111 Jordan is new to the whole "Demigod" stuff. Can he grasp hold of enough of it to go on a quest and save his new friends?
T, English, Humor & Adventure, chapters: 2, words: 1k+, updated: 11/3/2013 published: 10/28/2013, Lupa, Dakota, Gwen, Fiske C./Man in Black
56 The Other Side of my Family » by Tiger Lover Forever Annabeth has a friend who needs her and Percy's help. What's a girl to do? Why help of course, I mean it is her sister!
T, English, Adventure & Friendship, chapters: 32, words: 42k+, favs: 35, follows: 31, updated: 8/11/2013 published: 12/27/2011, Annabeth C.
43 Call Your Name: The Rewrite » by IAMAmazingMe I DO NOT OWN ANYTHING EXCEPT FOR THE PLOT. Everyone thought Amy Cahill died in the Gauntlet in order to save Ian Kabra. But the truth is Amy is very much alive. Her hidden past is catching up with her present life. IanxAMy, a bit of AnnabethxPercy
K, English, Romance & Mystery, chapters: 8, words: 10k+, favs: 30, follows: 35, updated: 8/3/2013 published: 7/13/2013, Nico A., Amy C., Ian K., Percy J.
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