It's been a thousand years. Princess Luna is returned, and the castle staff must scramble to see that she has servants to attend to her needs, and just as importantly, that they look the part. Of course, it turns out that it's rather difficult to find competent servants on such short notice. A hooffull of servants are chosen based on their appearance and duties, and are assigned to serve the Moon Goddess as personal retainers until more suitable replacements can be found. When coloring, Cutie Mark, and chance coincide, one of the castle's junior stewards is thrust into a role any loyal servant ought to jump at: Lunar Hoofservant. Unfortunately for Nightlight, Princess Luna is far more demanding than her older sister, and being her servant means contending with an unforgiving goddess who demands nothing short of perfection. Furthermore, somepony must be responsible for the inevitable failure. The duty of "Royal Hoofservant" just might be synonymous with "Royal Scapegoat."
Saddled with responsibility far beyond his post and expected to fail, Nightlight has no choice but to quit his post or to become the servant that Luna needs. This is the story of a pony's development from colt to stallion, and from servant to leader.
Thanks much to DirePony for the editing and story direction he's graciously provided me.
Rated 'Teen' for alcohol use, mild innuendo/sexual references, and pony-swears.
Not based on the (excellent) sci-fi novel of the same name by Robert Heinlein.

The royal court of Canterlot welcomes its newest member with open forelegs: the human philosopher Voltaire, from Earth.

On Earth, Voltaire is known as the greatest enemy of tyranny in the history of literature, and a legend in his own mind.

On Equestria, the court betting pool is giving him a week before the Princess banishes him to the Moon.

Note: This story doesn't have sequels per se, but there are a couple of short follow-ups set in the present day ("Parade Coverage" and "Secret Histories"), and a prequel of sorts in "At the Inn of the Prancing Pony".

TV Tropes page.

Princess Luna is back! Purified by the elements, restored to her proper self, and reunited with her sister, the younger alicorn tries to stabilize herself in an Equestria that is not how it once was.

This is a collection of stories.

Back in the Royal Saddle: Luna's first act as returning Princess is to choose the two lucky stallions who will act as her personal guard.

A Week With a Loon: Luna takes over control of Canterlot, so that her dear sister may take a vacation.

Balanced: Luna takes on young Twilight Sparkle as her student.

Of Night Light's and Sound Waves: Luna is "persuaded" to go out at night and explore Canterlot.

"My name is Lyra Heartstrings, and you will not remember me. You won't even remember this conversation. Just like with everypony else I've ever met, everything I do or say will be forgotten. Every letter I've written will appear blank; every piece of evidence I've left behind will end up missing. I'm stuck here in Ponyville because of the same curse that has made me so forgettable. Still, that doesn't stop me from doing the one thing that I love: making music. If my melodies find their way into your heart, then there is still hope for me. If I can't prove that I exist, I can at least prove that my love for each and every one of you exists. Please, listen to my story, my symphony, for it is me."

Cover pic by Spotlight: askspotlight.tumblr.com

Should you form attachments to mortals if you yourself will never die?

Losing the last of her friends in a battle that should never have been fought, Twilight Sparkle's world falls apart, until meaning and purpose come back into her life in the most wonderful way imaginable. But she forgets, again, that every living creature must eventually die...

Sequel to Not My Destiny, which you can read here. PG-13 for some mild psychological horror and plot-relevant, non-gratuitous injuries. I'll try to keep to the same chapter-a-day release schedule as I did back over New Year's.

Glorious cover art: Secreta Altare Window 3: Twilight Transcendent used with the kind permission of the magnificent confused--guy!

For almost a thousand years, the immortal Nightmare Moon has reigned over Equestria as Empress. To the average pony, Nightmare Moon is an overarching enigma whose rule is absolute and whose wrath is terrible. But to Twilight Sparkle, who as an orphan has never known her parents, the Empress is something else entirely. When the young unicorn is brought under the royal wing as an apprentice, she learns a great deal more about the supposed tyrant than she ever knew. But as Twilight is introduced to life with her new mentor, she is thrust into a world of political intrigue, conspiracies and secrets. Secrets that were never meant to be revealed. As allies and enemies plot against the very peace of the nation, will Twilight fall prey to the perils of her new position? Or will she prosper and find in Nightmare Moon the mother she never had?

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My eternal gratitude to my editor, LordOfTheWrongs, without whom Night's Favoured Child would not be the story it is today.

Now with added TVtropes!

We all wear a mask called composure, beneath which hides a heart that twists with guilt and hidden feelings. Regal as she is, Princess Celestia is no exception. What might be revealed should circumstances cause this mask to slip - or break?

Set several years after the potential conclusion to the series.

Many years after sending her beloved protege to Ponyville, unease sits heavily on Princess Celestia's heart as her relationship with Twilight Sparkle seems to have cooled despite all they've accomplished together. On the advice of her sister, Celestia sets out to investigate and resolve the lost connection with her most faithful student. What does it mean to be a Faithful Student...or a Princess of the Sun?

Earned a six-star rating on Equestria Daily and featured on its very own TVTropes page!.

Seriously, a lot.

(Now with a Spanish translation by the generous SPANIARD KIWI!)

The Elements of Harmony are defeated and Nightmare Moon stands on Equestria's throne as their new Queen. Is Equestria doomed to suffer through night time eternal or will they be... perfectly fine? Twilight finds her new job as slave or "personal assistant" to her new ruler to be a bit maddening. But is this evil sarcastic queen really as bad as she originally believed? And just how many others are diabolical enough to cash in on the change in staff? Can Nightmare truly run a peaceful Equestria? Let me just answer all these questions right here in the description...