A collection of stories from the Flatmates series. Set over all three fics.

What if there had been another Potter? An older sister? Davnet Potter has always been fascinated by how things work. When she finds a website called, "The Science of Deduction", she suddenly she's been infatuated with deduction. But, when a brash spread of murders breaks out on Privet Drive, can Davnet, along with Harry, John, and Sherlock stop the killer before they strike again?

A collaboration fic with castielitea. Sherlock and John have gone out to investigate the secret government organization baskerville, but for once, things may be beyond pure logic when they meet the Malfoys.

Mycroft discovers eight children failed to start their first term at Hogwarts, one of them is his nephew. Is it just consequence or has the Voldemort's wars started to influence a second generation. Sherlock may be Slytherin but it's Gryffindor to the rescue once again when John joins the hunt. I will continue the story after Christmas.

Six years since Ginny death's, everyone thinks that Harry should start dating again. Then Albus' question causes Harry to restore the Black Tapestry. The result is surprising since the tapestry shows two new members of Black Family, Mycroft and Sherlock. Slash. Mycroft Holmes/Harry Potter.

Friendship is far more than just having someone around to talk to. It also means that they will not let you down, or hide behind you if they cannot deal with something. It was a shame that he just realised that after the one person, besides John, he considers his friend is forced to meet with Mycroft. Merry Christmas!

Hana's always been abnormal. But then she sees a man in the internet, a man just like her! She e-mails him, and that happens to be the singular snowflake that triggers the avalanche.

AU. Fem!Harry. John and Sherlock investigate a bizarre case. Meanwhile, A certain Muggle Studies class is on field-trip.

Thrust into a hunt for Horcruxes. Dumbledore left Harry, Hermione and Ron one final clue: 221B Baker Street. With the clock ticking and a war looming over their heads, the Golden Trio enlist the help of Sherlock Holmes and John Watson. Set before The Reichenbach Fall.

This is actually a three-way crossover play between Phantom of the Opera, Harry Potter, and Sherlock. The plot is a mix between all three, mainly Phantom of the Opera. The characters are a mix between Harry Potter and Sherlock characters. Thanks for reading.

John Watson est un moldu ordinaire, vivant dans un quartier tout ce qu'il y a de plus normal, jusqu'au jour où il reçoit une mystérieuse lettre de l'école de Poudlard. Le petit garçon découvre qu'il est sorcier, mais, alors qu'il commence à s'intégrer dans ce monde étrange, il découvre un cadavre...

Greg Lestrade was happy with his life. He had a good job, a bizarre but solid set of friends and colleagues, and a smoking hot lover. When he is convinced to bring his boyfriend along to a crime scene, Greg finds that things are not exactly as they seem... But hot damn does it all make his lover more attractive.

John thought that nothing could surprise him anymore until their 221C neighbor knocks on their door one afternoon and asks him to babysit his son. Who on earth is this Harry Potter and what is his relationship with Mycroft? What does Harry even do for a living? The more John discovers about Harry, the weirder things get. Royal!Harry SLASH MH/HP, JW/SH.

John has a pretty normal life, but everything changes when he encounters a mysterious boy nearing the beginning of his 6th year at Hogwarts. Johnlock Hogwarts AU.

Hermione is coming back from Hogwarts with harry, and looses some people very dear to her. After John Watson gets a call from Greg that brings Sherlock and John to there crime scene, Molly and Sherlock experience the magical world only sherlock heard of years ago (There is Molly and Sherlock romance before the shermione stuff). P.S: Hermione is a half-blood in my fanfic.

In which Sherlock is Sorted the same year as Harry Potter, and the Sorting Hat is far smarter than it appears.

Crossover Sherlock & Harry Potter My first fanfiction so please be kind. Hogwarts AU Also, english is not my native language so there will probably be a lot of mistakes. Story follows young Molly Hooper and Sherlock Holmes in adventures and sometimes simple and sometimes complicated ways of growing up. Eventually Sherlolly, in later chapters M rated.

-The circle was complete. It was time for darkness to reign- Harry Potter had accepted an interesting case in the muggle world. He had been warned and had planned to deal with the muggle private detective, but nothing could have prepared him for Sherlock Holmes and what came next. 90% chance of Slash (male on male/ maybe threesome). Read Prologue for more details.

Un putain de gros citron avec du dr who, sherlock, du rogue xD, et du micka (oui le chanteur) xDDDDDDD BON WTF LES GENS !

Have you ever seen a dead person come back to life? Well, Sherlock certainly has and it is an experience he will never forget! One-Shot! Rated T, just in case

When Hermione had gone to stay with her uncle for the month she'd expected forced shopping trips, late night movies and hot coco. But now she's been swept up into a game with seemingly no rules, where nothing is what it seems and nobody is who they say. Except her uncle, he's the only one she can trust…right?

It's 1895 and Sherlock Holmes and John Watson are in their fifth year of studies at Hogwarts School of Witchcraft and Wizardry. The two are quite different, but that doesn't stop them from being friends. Sherlock makes observations about his best mate while secretly attending a Masquerade.

Short Johnlock fragments from Hogwarts. Rated for language, unconventional drug-taking and slightly sticky sheets. You got the bit where I said Johnlock, yes?

Charlus and Dorea Potter had two sons. What happened to the second? Is he fit to raise his nephew? Dumbledore sure didn't think so, but that won't stop him from going out and finding his family. James Moriarty/Richard Brook is Richard Potter.

Frustrated at not being able to do anything in the wizarding world after the war, Remus Lupin decides to join the muggle world instead. It takes years, but with a new name, a medical degree, and a rank of 2nd lieutenant in the British army, Remus finally finds his best friend's son, Harry.