39 Clues Crossovers
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Two Types of Men in Suits by Thorn D. Cinni reviews
We were going to live in Japan for a year, hoping for some peace before those people who make Isabelle look like Mother Teresa arrived, but... Let's just say we don't always get what we want. And I realized...the Cahills aren't the only influential people in the world. There are two types of men in suits! That's for sure... (I need a better Cover Pic)
Crossover - Katekyo Hitman Reborn! & 39 Clues - Rated: K+ - English - Humor - Chapters: 1 - Words: 1,014 - Reviews: 1 - Favs: 2 - Follows: 3 - Published: 4/12
The Bloody Git and the Pirating Wankers by Lapulta J.R.R. Cahill
In which Thomas learns four-lettered words, exactly how to infuriate a fairy, and that all nations are equal. (But some nations are more equal than others.) :: language warning
Crossover - 39 Clues & Hetalia - Axis Powers - Rated: T - English - Adventure/Drama - Chapters: 3 - Words: 22,847 - Follows: 1 - Updated: 3/5 - Published: 2/28 - Thomas C., England/Britain, Scotland
What happens when the Cahills meet the King of Games by vampire2001 reviews
When two Cahill twins meet up with their cousin, Yugi Mutou and his friends, but get caught up in the battle between the Vespers and the Cahill's chaos starts, because Yugi finds our he too is a Cahill, but has yet to realize what branch he belongs to along with his friends. Rated T just in case. Peoples I'm going to add a little magical twist so don't hate me!
Crossover - Yu-Gi-Oh & 39 Clues - Rated: T - English - Adventure/Mystery - Chapters: 2 - Words: 5,848 - Reviews: 1 - Favs: 1 - Follows: 1 - Updated: 2/13 - Published: 12/27/2013 - Amy C.
When TCDK attempts to do a T&D story by TCDOK reviews
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
Crossover - Percy Jackson and the Olympians & 39 Clues - Rated: K - English - Chapters: 5 - Words: 3,332 - Reviews: 1 - Updated: 2/5 - Published: 1/18
The Guardians: The Beginning…Or is it The End? by Forty-Doors-To-Nowhere reviews
Danger shadows the land. As a threat, a threat bigger then imagined, looms around every corner. What is it? And why must the heroes be mere teenagers? Artemis Fowl, 39 Clues, Hunger Games, Kane Chronicles and Harry Potter crossover.
Crossover - Artemis Fowl & 39 Clues - Rated: K+ - English - Adventure/Fantasy - Chapters: 3 - Words: 1,525 - Reviews: 2 - Follows: 1 - Updated: 1/31 - Published: 1/16 - Artemis F., Butler, Amy C., Dan C.
Piper Mc'Lean is not a Mary Sue by KurlyCrazyKat reviews
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...
Crossover - Percy Jackson and the Olympians & 39 Clues - Rated: K - English - Humor - Chapters: 1 - Words: 3,680 - Reviews: 16 - Favs: 1 - Follows: 1 - Published: 12/24/2013 - Piper M., Jason G.
Avengers & 39 Clues Challenge by HikariAyame97 reviews
This is a plot-bunny that has been bouncing around in my head for some time now. Hope someone answers to the challenge. Summary inside. During Captain America, Vespers Rising, Avengers and 39 Clues series. Have fun!
Crossover - 39 Clues & Avengers - Rated: K - English - Friendship - Chapters: 1 - Words: 181 - Reviews: 2 - Follows: 2 - Published: 12/17/2013 - Complete
It began with a funeral by broken doll of despair reviews
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
Crossover - Percy Jackson and the Olympians & 39 Clues - Rated: K+ - English - Adventure - Chapters: 3 - Words: 685 - Reviews: 13 - Favs: 12 - Follows: 14 - Updated: 12/16/2013 - Published: 12/8/2012 - Percy J.
The Mystery Of The World And Atlantis by 1davey29 reviews
Mysteries galore. Plus a great story.
Crossover - Percy Jackson and the Olympians & 39 Clues - Rated: K+ - English - Mystery/Adventure - Chapters: 4 - Words: 244 - Reviews: 14 - Favs: 2 - Follows: 2 - Updated: 12/9/2013 - Published: 11/12/2010
PJO and 39 Clues fanmail by 1davey29 reviews
fanmail!
Crossover - Percy Jackson and the Olympians & 39 Clues - Rated: K+ - English - Chapters: 4 - Words: 911 - Reviews: 16 - Favs: 2 - Follows: 4 - Updated: 12/9/2013 - Published: 11/12/2010
The Gallagher Clues by KookieLuver reviews
The Interpol ask for help from none other than the Gallagher Girls to help catch a couple of criminal kids... Dan and Amy Cahill. This is a crossover of The Gallagher Girls just after "I'd tell you I love you, but then I'd have to kill you", and an almost completely changed "In Too Deep". I do not own these series. My first FanFic. R&R. I'd appreciate it... Enjoy! :)
Crossover - 39 Clues & Gallagher Girls - Rated: K+ - English - Mystery/Adventure - Chapters: 4 - Words: 1,910 - Reviews: 11 - Favs: 3 - Follows: 10 - Updated: 11/27/2013 - Published: 4/30/2013 - Amy C., Dan C., Cammie M., Bex B.
An Afternoon Run by chatterbox11323 reviews
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
Crossover - Percy Jackson and the Olympians & 39 Clues - Rated: K - English - Adventure/Humor - Chapters: 3 - Words: 1,791 - Reviews: 14 - Favs: 8 - Follows: 12 - Updated: 11/22/2013 - Published: 6/1/2013 - Annabeth C., Grover, Percy J., Dan C. - Complete
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?
Crossover - Percy Jackson and the Olympians & 39 Clues - Rated: T - English - Humor/Adventure - Chapters: 2 - Words: 1,754 - Updated: 11/3/2013 - Published: 10/28/2013 - Lupa, Dakota, Gwen, Fiske C./Man in Black
Welcome to Storybrooke by Spring Sunrise reviews
The Cahills take a perfectly normal family vacation in a perfectly normal town and interact with its perfectly normal inhabitants. At least, that's how Aunt Beatrice sees it. Amy's not so sure. And Dan just wants to find a decent candy store.
Crossover - 39 Clues & Once Upon a Time - Rated: K - English - Chapters: 2 - Words: 991 - Reviews: 2 - Favs: 1 - Follows: 4 - Updated: 9/30/2013 - Published: 9/29/2013 - Amy C., Dan C., Beatrice C.
The Cahill Chronicles: The Life and Lies of Madeline Cahill by Sparkling-Butterbeer2.0
"Wouldn't you be scared too if your mother, your only parent, kept speaking of murder, enemies, and danger?" So says Madeleine Cahill, peacebringer and fifth child of the Irish Cahills. Follow her on her journey of self discovery.
Crossover - Charlie Bone & 39 Clues - Rated: K+ - English - Drama/Mystery - Chapters: 4 - Words: 816 - Published: 9/30/2013 - Luke C., Madeleine C., OC
Percy Cahill :The Medusa's Plot by SalvatoreRoses reviews
Percy Jackson is actually Percy He is Amy and Dan's half brother to be Watch the three siblings as they struggle to complete Vesper 1's Suspicion arises and secrets be Percy is still a Read the A/N guys please READ AND tnx
Crossover - Percy Jackson and the Olympians & 39 Clues - Rated: T - English - Family/Adventure - Chapters: 1 - Words: 1,605 - Reviews: 11 - Favs: 16 - Follows: 23 - Published: 9/15/2013 - Percy J., Amy C., Dan C.
Who Wants the Medusa? by QuayJaquelinXeomaraZendaya reviews
This is my first fan fic- no flames please. Follows The Medusa Plot, but has some changes. Possible future AmyxJason.
Crossover - Percy Jackson and the Olympians & 39 Clues - Rated: K+ - English - Adventure/Friendship - Chapters: 31 - Words: 45,111 - Reviews: 196 - Favs: 83 - Follows: 90 - Updated: 8/24/2013 - Published: 11/12/2011 - Percy J., Amy C.
Nathaniel Cahill by LadyBluePhoenix reviews
HP xover. Insted of raising Harry as Albus wanted, Petunia sent Harry to an ophanage were he was adopted by Hope Cahill and Arthur Trent. Harry Potter is dead, Nathaniel Cahill took his place. The world will never be the same.R&R
Crossover - Harry Potter & 39 Clues - Rated: T - English - Adventure - Chapters: 2 - Words: 2,735 - Reviews: 26 - Favs: 38 - Follows: 67 - Updated: 8/24/2013 - Published: 12/21/2008 - Harry P.
The Other Side of my Family by Tiger Lover Forever reviews
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!
Crossover - Percy Jackson and the Olympians & 39 Clues - Rated: T - English - Adventure/Friendship - Chapters: 32 - Words: 42,270 - Reviews: 49 - Favs: 30 - Follows: 31 - Updated: 8/11/2013 - Published: 12/27/2011 - Annabeth C.
Call Your Name: The Rewrite by hAdesLythErinmadrigalX reviews
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
Crossover - Percy Jackson and the Olympians & 39 Clues - Rated: K - English - Romance/Mystery - Chapters: 8 - Words: 10,871 - Reviews: 33 - Favs: 30 - Follows: 35 - Updated: 8/3/2013 - Published: 7/13/2013 - Nico A., Amy C., Ian K., Percy J.
Cahills and Mermaids by limegreen0421 reviews
The 39 clues hunters meet a girl named Emily Windsnap. But Emily isn't a regular everyday girl, she's a mermaid.
Crossover - 39 Clues & Emily Windsnap series - Rated: K+ - English - Adventure/Mystery - Chapters: 10 - Words: 3,993 - Reviews: 9 - Favs: 2 - Follows: 2 - Updated: 7/26/2013 - Published: 9/20/2012
Target: Locked by JaraelMoonsilver reviews
All of you Adventures in Odyssey and 39 Clues fans, this one's for you! Think of it as an alternate Shatterproof. Rated T for some blood, suspense, and PURE RICHARD MAXWELL EKAT AWESOMENESS!
Crossover - 39 Clues & Radio Dramas - Rated: T - English - Adventure/Spiritual - Chapters: 11 - Words: 10,158 - Reviews: 6 - Favs: 2 - Follows: 3 - Updated: 7/17/2013 - Published: 11/26/2012 - Adventures in Odyssey
Call Your Name by hAdesLythErinmadrigalX reviews
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
Crossover - Percy Jackson and the Olympians & 39 Clues - Rated: T - English - Romance/Fantasy - Chapters: 16 - Words: 17,705 - Reviews: 187 - Favs: 70 - Follows: 86 - Updated: 7/13/2013 - Published: 5/17/2011 - Percy J., Amy C.
A Pegasus Ride Through The Grand Canyon by QuayJaquelinXeomaraZendaya reviews
Sequel to "A Dog Ride in Central Park." One shot featuring Dan and Blackjack with special guests- the hunters of Artemis! Running from hostile relatives was never easier with a flying horse- even if there was a girl scout troop getting on Dan's nerves.
Crossover - Percy Jackson and the Olympians & 39 Clues - Rated: K - English - Adventure/Humor - Chapters: 1 - Words: 1,357 - Reviews: 4 - Favs: 4 - Follows: 1 - Published: 7/11/2013 - Blackjack, Dan C. - Complete
Percy Jackson and the Battle of the New York Subway by Percabeth Returns reviews
What do you think would happen when a Percy Jackson quest mixes with a clue hunting mission? Disaster. Percy thinks that the clue hunters are rouge demigods or at least monsters in disguise. And the clue hunters think Percy is a wild, crazy Cahill who kills anyone he sees...at least for those who can see through the mist.
Crossover - Percy Jackson and the Olympians & 39 Clues - Rated: K+ - English - Adventure - Chapters: 6 - Words: 3,568 - Reviews: 5 - Favs: 4 - Follows: 8 - Updated: 7/9/2013 - Published: 6/28/2013 - Annabeth C., Percy J., Amy C., Dan C. - Complete
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