Sunset Shimmer has lived in the human world for over ten years now. Some of the best and worst days of her life have happened there. When she finds herself no longer having a place in the world she's grown accustomed to she travels back to her homeland of Equestria to figure out who she is and where she belongs. What she finds is a land and people irreversibly changed by time.

Twilight Sparkle now rules over this new Equestria. It is a time of peace and prosperity for the entire world, so why does the Princess seem so sad?
Figuring out her own problems, an entirely different home than the one she grew up in, and her increasingly complicated relationship with Princess Twilight could be the most difficult thing Sunset Shimmer has ever done.
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Story takes place post FIM and EG

This story is a sequel to One Moon

After finally meeting, Prince Artemis and Princess Luna now have to discover how they reached each other, and what truly occurred that fateful night. As they investigate how their two worlds are connected, however, they find that isn't the only connection they have formed.

Prince Artemis is faced with a conundrum. His brother, Solaris, seems to be contacting an alternate dimension through magical dreams, and covertly meeting with an Alicorn Princess that bears a striking resemblance to him. Inspection of this causes the lunar prince to run into somepony he never will forget... himself.

We all know the story of how the Princess’ young student and five friends defeated Nightmare Moon and brought Princess Luna back to our lands. But what if the tale were false? What if the young Twilight Sparkle on the event of her entrance exam had not been rescued by Princess Celestia, but instead lost her mind among the power of her youthful surge and had to be sent away, far away before she could destroy all of Canterlot with her newfound power. Now the feral unicorn prowling the Everfree Forest only vaguely remembers her past, slipping away from constant terrifying attempts to capture her.

And she is beginning to remember what true power felt like.

Editors include: Peter, Justin, Featherprop, Mitch H, and Bad Horse
Featured on Equestria Daily
Reviewed by Chris on One Man's Pony Ramblings and by Paul Asaran on his review blog
Now with a TV Tropes page

Physical books are available on Lulu.com
Monster in the Twilight (Paperback) 272 pages
Monster in the Twilight (Hardback)

At one time, Mount Olympus was the home of the Greek gods. Then they let the first pony in.

There goes the neighborhood

Editors: Tek, Themaskedferret, FanOfMostEverything, BluePaladin42, GhostOfHeraclitus

Cover art is Lady-Princess-Goddess by Cherryviolets and a commission for Mother-Of-Trolls
Now featured on Equestria Daily

A few weeks after the return from her second visit to Canterlot High, when the Princess of Friendship runs out of royal duties and busy work, she needs to find something to pass the time while her friends go about their busy schedules. Deciding to travel back through the portal to Canterlot High, she meets up with her parallel, human friends. However, when Pinkie decides to host another slumber party at her place, Sunset Shimmer begins acting differently towards the others.
Maybe whatever she is hiding she doesn't fully understand herself.

I almost forgot:
- The artwork belongs to me so don't worry
- and you should all check out this page where you see a very well written look into Sunset Shimmer's cutie mark. It helped inspire the description in this story. (Past Analysis - Tumblr)

Oh dear Luna, Featured: 1/8/15!
It must be a slow day because I am never featured lol
Thanks everyone for the support, you are all Amazing, seriously!

Pinkie and Maud are closer than anything in the universe. In fact they are so close that some ponies think they're weird. Pinkie Pie doesn't think so, or at least she didn't used to...

Twilight Sparkle is a gifted student when it comes to math and science, but even the smartest unicorns can struggle to control their magical abilities. And when precision fails her in her latest assignment for art class, Princess Celestia is more than happy to offer her help in overcoming the challenge.

To some extent, at least.

Cover art: Celestia Napping by Skecchiart.

Thanks to Noble Thought for pre-reading.

Twilight Sparkle has too much magic, and it will take her decades to learn to control it. Her spectacular loss of control during her entrance exam only proves that fact. She is a danger to herself and others.

After Sunset Shimmer’s disappearance, Princess Celestia needs a new student to bear The Element of Magic to defeat Nightmare Moon. With all of Equestria at stake, Twilight Sparkle…is not the pony she needs.

Princess Celestia seals Twilight Sparkle’s magic with the distant promise of one day teaching her.

But there are two diarchs of Equestria. Amidst a lucid dream, an offer is made.

“Hello, Twilight. Would you like to be my student?”

Cover art provided by Lafiir.

When Sunset saw Sonata Dusk return to CHS and experience a very familiar treatment, she encouraged her friends to reach out to the Dazzlings just as they'd done with her after the Fall Formal.

Several months later, Aria and Sonata have come to discover some joy in their new life-after-magic. Adagio, however, has continued to refuse the offer—out of bitterness, spite and an unwillingness to give those 'rainbooms' the satisfaction of seeing her break.

What she has yet to realize is that clinging to this resentment is hurting no one but herself.

Thanks to Csquared08 for main editing, proofreading and bouncing ideas.
Thanks to Jondor for pre-reading, grammar/editing and offering advice on technique.