Princess Twilight Sparkle discovers a centuries-old mystery hidden in the Royal Archives. Her investigation leads through layer after layer of deception and misdirection, setting her hooves on a path that seems to be leading to a mysterious secret. Along the way, she learns that some friendships can be very, very strange.

Book 1 of the Alicorn Adventure series.

AUDIOBOOK by VisualPony
Featured at the Royal Canterlot Library
TV Tropes Page (Courtesy of Sandtalon)
Goodreads Page (Courtesy of Facedeer)
Equestria Daily Page

WARNING: Major spoilers in the comments. Takes place several months after the end of season four. (Not a Da Vinci Code crossover, BTW!)

Do you see a dark tag? No, you don't. Not dark. Well, okay, there are a couple of dark-ish bits, but that's all. Not enough to warrant a tag. Speaking of tags, there really ought to be "Badass Twilight" and "Friendshipping" ones.

Sequels and side-stories (and more) can be found here Offprint and AO3, and a hardbound two-volume set of all that can be ordered from The Ministry of Image.

My editor for the first edition of this story was Gogito, and I can't thank him enough for all the hard work he did. My editor for the revised version was PresentPerfect, and he did a terrific job of getting the story into excellent shape.

This isn't where I belong. I left all this behind years ago, moved on with my life. But a mare from my past brought me back, and now she won't let me go. So I'm stuck here, trying to make the best of it with ponies that don't understand me, don't even like me. But when something moves in the darkness, and when things go wrong in the cold, dead night, they'll turn to me to try to set things right.

Why? Because once a police pony, always a police pony.
~~
This is a spin-off story to 'Why am I Pinkie Pie?!', and will contain spoilers for that story, but it's not necessary to read that story to understand this one.
Cover art by the talented Conicer
Need more Cinnamon Swirl? Merlos the Mad wrote a fanfic of this story!

There is now a side-story: A Hard Day's Nightmare Night

The Shaper is a smith of unparalleled skill, her creations the most sought after in the fallen world. When a pony named Lyra comes to her with a unique commission she has to put all her skill to the test to craft a weapon of great power. For Lyra's goal is not an easy one, and it is not just any weapon that can kill a Dragon.

A story inspired by this and this image, as well as this challenge by CDRW (whose fic A Still More Glorious Dawn Awaits is quite good).

Filthy Rich has a problem. His daughter, Diamond Tiara, keeps breaking her promises to treat her classmates with more respect. In fact, she doesn't even seem to really understand what a promise is. Since punishing her does not seem to have much effect, Mr Rich is forced to consider a more creative parenting method. But how can he make such a spoiled, materialistic little filly as Diamond Tiara see the value of a promise?

With money, of course!

Now has a dramatic reading on Youtube! Kudos to DRWolf.

Following his tumultuous defeat, King Sombra is flung across space and time to exit out a human's malfunctioning toaster. For weeks, Sombra monologues his revenge to destroy those that hurt him. But seven months later, when a route back to Equestria is found, does he not seem all that interested in returning.

Edited by spigo.

Prequel: The Roommate From Tartarus
Side Sequel: (Not My) Home Sweet Home

Update: labelled as complete. The last three chapters will remain as bonus chapters.

Twilight Sparkle's Harmony Project is the culmination of her life's work. The only thing left is for everyone to be gathered, so that all of Equestria can join together in Harmony.

But now that success is staring her in the face, Twilight begins to have doubts. Fortunately, she has a friend like Discord, who is only too happy to lend a paw to a friend in need...

Editing work courtesy of NorsePony.

Twilight and Spike return to the Castle of the Two Sisters, only to find that their previous foray into its depths may not be what they remember.

This story is a sequel to The Dusk Guard Saga: Rise

"Viking ZX has pride in the fact that he can throw his readers into a ride." —PCaRG
"... an exhilarating romp that leaves you guessing half the time and keeps you thrilled throughout." —PaulAsaran
"... you’ll enjoy this one." —City of Doors

Blade Sunchaser is a griffon on the run.

Seven days ago she was the bodyguard of two of the wealthiest railroad magnates in Equestria. One day after that she was in a jail cell.

She didn’t stay there for long. She’s got a job to do, a job with a payoff bigger than any she’s ever earned before. All she needs to do is track down two stolen bits of crystal and bring them back to her employer. Stolen bits last seen being taken north, past Equestria’s furthest borders, into the lawless wasteland known as the Ocean of Endless Ice. A haven of ice dredgers, criminals, and pirates ripe with violence, danger, and dark secrets. But for this kind of payoff, the danger is nothing. She’ll face anything, go anywhere, and do whatever it takes to see her mission through.

Even start a war ...

Book II of The Dusk Guard Saga
Epic Fantasy
Equestrian Map of the Ocean of Endless Ice
Official Series Timeline at [url=https://www.fimfiction.net/group/204855/the-dusk-guard-saga/thread/127607/the-dusk-guard-saga-timeline]TDG Group Forums
Can be found on TV Tropes at The Dusk Guard Saga’s page (Page outdated)
Cover art by Midnight Sonare
Alpha and Beta read by Siers, Raptra, and Jorlem.
If you encounter what you think are typos in the story, PM them rather than clogging the comments feed with them.

Author’s note: From time to time you may encounter a hotlink in the text. These hotlinks are background themes and can be clicked or passed over at your own choice. It is recommended that for maximum enjoyment beforehand, make sure that your volume settings on YouTube are at a comfortable level and make use of Ctrl+Shft+Clicking or the middle mouse button to open the song in a new tab, where it will play automatically without your involvement.

Or just don’t click on them until later. They are an entirely optional experience, and can be passed over without incident.

Fancy Pants and his lovely wife Fleur are quite possibly Canterlot's most heroic duet. Together they conquered countless events, faced hordes of snobbish socialites, and emerged victorious from the most dire of faux pas. May their bravery and finesse be forever remembered on parties to come!

There is a missing element in their perfect life, though: the joy of having a child and becoming a family. When conventional methods fail, will the couple muster enough courage to seek out the alternative, or will they stay a duet forever?

Enter Chestnut—a daring filly from beyond Equestria, out of their social stratum, and definitely exceeding their boldest expectations.

For better or worse.

Things happen. Nothing happens in between these things. If they did, they'd simply be things with more nothing between 'em. So how do you measure the nothing? Two ponies, equally flawed, intend to find out together... no matter how far it takes them.

This is the story that won first place in /fic/'s eighteenth write-off competition. The original story--here, split into three chapters--was written and edited over a period of just seventy two hours. I intend to add additional chapters whenever the fit comes upon me. Do yourself a big favor and check out all the other awesome entries as well!