Mystery

• Becoming Neville (Harry Potter) by Jedi Rita
  Neville's Gran breaks her hip just after his fifth year at Hogwarts, and he must spend the summer with Harry and Remus. They discover a hidden message in the candy wrappers his mother has been giving him, and begin to uncover the mystery.
• Conspiracy Theory (Harry Potter) by Ubiquirk
  Working as the Ministry's new Keeper of Records turns out to be not quite what Hermione Granger had in mind. It's ... well, dull, dull, boring, and possibly -- no, very definitely -- dull. She has a mountain of information at her fingertips -- a log of everything officially recorded in the Wizarding world -- and most of it's, yes, dull. Then one day, a filing cabinet sticks, and her busy brain notices the smallest clue, one that will have her and Severus Snape struggling to uncover a conspiracy that, if true, will tarnish the Wizarding world's golden post-war view of itself forever.
• Eternal Sunshine of the Scourgified Mind (Harry Potter) by Solstice Muse
  The trio have defeated Voldemort but paid a devastating price. How can they cope without each other and without any magical memories? AU.
• The Mysterious Miss Granger (Harry Potter) by Duniazade
  It was a good enough life, until this strange girl turned up.
• Tyranny (of the Majority) (Harry Potter) by Tribunician Veto
  IN A WORLD where the wizarding community is doomed always to exchange one kind of tyranny for another, revolutionary heroes will arise. Starring Hermione Granger as the mysterious Red Shirt and Severus Snape as the shadowy Father of Democracy. Coming soon to screens near you.
• Absolutely Elsewhere (Harry Potter) by Wallyflower
  Over the course of a week, Severus Snape solves a small mystery.
• Bitch's Brew (Harry Potter) by Death ofme
  Re-telling of "Fitcher's Bird". Investigating the disappearances of several young wizards, Hermione finds the trail leading to a dead woman: Bellatrix Lestrange. What lies in the lost Black estate? What dark secrets does the last room hold?
• Cluedo - Wizard Style (Harry Potter) by Devsgma
  Someone's dead, but who did it?
• The Dark Rose (Harry Potter) by A War Goddess
  A banshee on the loose, a killer roaming Northern Ireland, and Hermione Granger has decided her former Potions professor is in need of a friend.
• The Lost Chamber (Harry Potter) by Pyjama Pants
  When Rose and Hugo Weasley are involved in a prank that sends Scorpius Malfoy to the Hospital Wing, Hermione is summoned to Hogwarts. What she finds there calls for investigation.
• A Mournful Rustling in the Dark (Harry Potter) by Elise Wanderer
  Turning your back on the past can have unexpected consequences, whether you do it voluntarily or not.
• A Prince's Tale (Harry Potter) by Shairi11
  Seven years after the war, a Prince asks Hermione to find Severus Snape's body.
• Split (Harry Potter) by Windwings Writes
  One fine day, Severus Snape makes a disturbing discovery. Who is messing with his life? And why?