While studying the founding of Equestria in the Royal Library, Twilight comes across a very odd, and very old, book. Some of the historical accounts found therein are very familiar, part of any filly's childhood education, but there are more details. Troubling details. Since Celestia has taken leave for unknown reasons, Luna is the only pony around who gives Twilight any hope of finding out the truth. A truth that, as it turns out, Celestia never wanted her to know.

Teen rated for 'sad feels' and implied (though not explicit) deaths.

Special thanks to sqarishoctagon for giving me some useful pointers on formatting and helping to edit the first five chapters!

This was initially an in-universe story, but as of February 16th, 2013, it was rendered non-canon. It takes place in an alternate universe in which Season 3 never happened.

Twilight Sparkle has always admired Princess Celestia. Her fortitude, her wisdom, her eternal grace and love for all her subjects. Twilight has often fantasized about what it would be like to be in Princess Celestia's horseshoes. She never imagined those fantasies would come true.

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Events take place a short time after the Crystal Empire's return (early S3).
Proofreading from chapter three-onward provided by Daemon of Decay.
Cover image used with permission from TexasUberAlles, thanks!
Inspiration for Sunny Skies from PhantomFox.

In an Equestria where Discord never was, and the Pony Princesses never came to power, a young Twilight Sparkle loses her family in a crowd during the Summer Sun Celebration. Little does she know that her very existence is about to set a series of events into motion that will take her far beyond the borders of Equestria itself—and change the fates of both her nation and her life, forever.

This story is a sequel to The Monster in the Twilight

Now that Luna has returned to the throne, and the aftermath of her brief appearance as Nightmare Moon is being cleaned up, the story is over. Right?

Not quite.

Twilight Sparkle had nearly been destroyed in the chaos of Nightmare Moon’s return, but now with the assistance of her five friends, she is facing a fascinating new world filled with wonderful things. No longer the scarred monster who nearly destroyed Canterlot and raged through the Everfree Forest for over a decade, now she has been healed by the Elements of Harmony and is living at the edge of town with her adoptive mother Zecora. Not all the fears of her past can be left behind that easily though, and now she must face the consequences of her actions as she faces the most daunting challenge of her life.

Ponyville.

Letters is a sequel to the alternate universe story The Monster in the Twilight. In this story, Twilight Sparkle exchanges letters with Princess Luna, two ponies with a common problem of fitting in and making friends after the destruction of Nightmare Moon.

Normally I would try to talk you into reading the sequel even if you haven’t read the original story, but in this case, you’ll probably be more confused than entertained. But go ahead. I don’t mind if you don’t read the first story. You’ll never find out what an Urlock is, but that’s fine. It’s your funeral.

Editing Assistance by Alicorn Priest, Peter and Tek

Credit for the incredible picture All Night Study Group goes to Bibliodragon at Deviantart

Physical books are available on Lulu.com (up to Chapter 82)
Letters From a Little Princess Monster (Paperback) 726 pages
Letters From a Little Princess Monster (Massive Hardback) 780 pages

Princess Celestia always knew that Twilight Sparkle was destined for great things, but she never revealed the source of that knowledge, not even to those closest to her. When the day of Twilight's true destiny finally arrives, can Celestia fulfill an ancient promise to save Equestia's past, present, and future, even it means saying goodbye to Twilight forever? How can Celestia refuse her mother's last wish?

Art by the inimitable Harwick

This story is a sequel to Past Sins

Hearth's Warming is a time for friends and family to come together, celebrate harmony, and welcome the new year. Nyx is looking forward to just this as she rides the train to Canterlot with Spike and Twilight. She's going to meet her extended family for the first time and wants nothing more than to make a good impression. Yet, the sheen of the holidays can't hide the trouble caused by meddling grandparents, relentless reporters, and a paranoid uncle.

How would things be different if Twilight had never made it to Ponyville? Twilight Sparkle finds out just how different things could be when she is forced to travel to her own past while chasing down a mystery; a plot to erase Princess Twilight Sparkle from history.

Landing in a time just weeks after the one thousandth Summer Sun Celebration, she finds a world shrouded in an eternal night, where the Elements of Harmony were never recovered. Can she fix the things that should have, but didn't happen? Or is this Equestria destined to head down a different path?

Chinese Translation by Hell Organist

This story is a sequel to Ascend

Congratulations, Twilight. With Celestia and Luna on their constitutionally mandated vacation, you're in charge of Equestria. The position of Regent is an honored and hallowed one. But maybe it's a bit early to congratulate you. After all, whether it's a nobility jealous of your ascension, or a military unhappy with Celestia's decisions; one thing's certain: your reign will be anything but peaceful.

Princess Luna finds more than a friend in her sister's student, and Twilight Sparkle gets a chance to study the moon and stars far closer than she ever dreamed possible.

An ongoing series of slice-of-life snapshots. Expect a castle's worth of clop-free d'aaawww.

These stories are in continuity with The Rustic & The Romantic and If the Flight Suit Fits.

Now featuring cover art by the inimitable Cerraka (formerly xaztein / crenair)!

Almost all chapters originally written as separate entries for flash-fic blog Thirty Minute Ponies (TMP). I highly recommend a visit to TMP if you're looking for some of the best 1000-word gems in pony fiction. Many thanks to TMP for inspiring me to write!

Plan C - In which Cadance learns that Celestia is the chessmaster, and that her backup plans are the most fun of all.

Game, Set, Match - Twilight tries her hoof at arena combat. Victory or defeat, she's sure to end up a winner with this opponent.

Countdown - Luna swore she'd never do this again, but there's something about that little librarian from Ponyville that tests her resolve.

Twilight Hustle - Rarity's heard some steamy rumors about Twilight and gathers the girls to dish juicy gossip.

All the World’s a Stage - Luna had a wonderful evening with Twilight and sang her heart out about it. Oh, and she might have left the door open.

Every Morning After - Twilight and Luna shared a wonderful, magical night; unfortunately, immortal Princesses sometimes forget about thousand-year-old laws which could ruin the mood ever so slightly.

Names - Luna's had many more names and titles than "Mare in the Moon", and Twilight discovers which of them meant the most.

Great Minds Think Alike - Cadance and Celestia's plan for Twilight and Luna comes to a head, slightly off schedule.

Third Time's the Charm - Twilight's Nightmare Night costumes aren't cutting it. Now Luna's in town, and that may change her opinion on what makes a proper costume.

Monster - Ponyville's been through the ringer lately, but whose fault is it really?

Impossible - Luna's having a bad night, and Twilight came all the way to Canterlot to do something about it.

Early Observances - If you're going to interrupt Celestia's sleep, you'd better have a very good reason.

THAT Letter - Luna and Twilight have to tell Celestia how serious their relationship has become, and they decide to send a letter. Surely they couldn't disagree about how to make such a simple announcement - could they?

Your Turn - Twilight and her friends reveal some personal secrets, and Twilight's is life-changing.

Trembling Joyful Whispers- The Big Day is here for Twilight and Luna! Hear the congregation's comments as events unfold.

The Power Vested in Me- The Big Day is here, but Luna and Twilight are so very, very far from ready. Will their fears get the better of them?

Awkward - Twilight and Shining Armor have dinner with their parents along with Luna and Cadance. They'll probably wish they'd ordered takeout instead.

Absence - Luna deals with a thousand years of angst all at once; maybe she just needs a gentle helping hoof to make sense of it all.

You Were There - A quiet night between Luna and Twilight is almost derailed by a lesson in ancient mythology.

Between Sun and Moon - Luna reads a bedtime story with which she is all too familiar.

Postcards from the Edge - Twilight leaves to study abroad for three months; in her absence, Luna has a stack of mail to open.

Insert Princess T into Slot S - Twilight want to be Princess of Something. Careful what you wish for!

Ups and Downs - Newly-crowned Princess Twilight needs flying lessons. Careful whom you ask!

Amethyst Throne - Princess Twilight is pretty sure she's seen these petitioners somewhere before.

What if the villains were allowed to win without a fight? Would all of their plans bear them the fruits they so desired?
Probably not, especially when their royal adviser is Twilight Sparkle.

A collection of (continuous) One-shots in which our heroes don't have any epic fights with villains, and simply allow the power of logic to crush all of the hopes and wishes of the would-be rulers of Equestria.

Currently up: Nightmare Moon, Discord, Chrysalis, Sombra (bonus chapter - the fight is so not-epic it happens off screen).