Polymorphic Stories of Today and Tomorrow: a collection of varied and diverse pony short stories. Here you will find stories strange and curious, comedic and tragic, adventurous and thoughtful, all introduced by the author.

It is Year Five, and Dr. Calloway Kotani is stuck in evacuated Peru. The Barrier moves relentlessly inland at 14 kilometers per day. It never stops. It never slows down. No Potion. No rescue. South America is 4353 kilometers wide. Run, Dr. Kotani. Run for your life.

Chang'e has a nanotitanium-carbon spine and a quantum chipset for brains. Her fur and organs are vat-grown engineered flesh. She is an artificial cat, existing in the age of the Conversion Bureaus. The ponies are here, the world is ending, and the humans that made her kind are escaping to another universe where sentient machines cannot go. What then of Man's electric children, the Artificial Intelligences of the doomed earth?

This novel is a companion work to CODE: Majeste and other books as well.

Newfoal reporter 'Frontpage' has always yearned for the ultimate scoop. A last minute assignment for the centennial of Zero Point - the last moment of the doomed earth - leads not only to the biggest story of his career, but the greatest secrets of Equestria... and far, far beyond.

This is a partial sequel to HUMAN In Equestria, but knowledge of that story is not required to enjoy it. This is the final Conversion Bureau novel.

In the far reaches of Canterlot Castle, high above in the towers lived the archmage. Everypony knew her, yet few had met her.

Twilight Sparkle sighed, having teleported away another noble seeking favors before reaching the top of the stairs for the second time today. They never learned. As the archmage, she already dealt with political squabbles far too often without inviting them into her home. Aside from personal favors for Celestia, she did what was required of her position and then returned to seclusion and research.

The nobility grumbled that no archmage should be a commoner, and Twilight’s disrespect toward them proved it. Each and every time they were forced to bow to her, they hated what they saw: the position, the status, the deference.

Was she not powerful? Was she not great?

Twilight, now reading through dusty scrolls and long forgotten tales, wrote in her notes — notes gathering dust of their own. A brief thought flashed through her mind.

Am I not powerful? Am I not great?

And then Twilight picked up The Tale of the Royal Pony Sisters.

Defunct side stories told in Across the Boundary. They can still provide a little context, but when in doubt, the main story here is canon.

Cover art provided by Lafiir

This is a fic based on the Time Loop Files, the format of which was first codified by Innortal on fanfiction.net.
Here's a brief guide.
The basic idea is, one character (the Anchor, usually the main character of a fictional setting) is looping back to the very first moments of their parent series every time either they die or some kind of time limit expires. They of course end up monumentally stir crazy given enough time.
Eventually others start to loop as well.
The reset is not always perfect. Sometimes a loop's history will be different to the "prime" loop, or canonical plot.
"Crossover" or "Fusion" loops also occur, randomly. These can involve the home loopers having a guest, or the anchor for one universe spending time in another, or replacements of one character by another.
Vacation Loops are where the Anchor (or others) decide/s "buck it" and lets off steam by doing whatever comes to mind. There's little or no attempt to maintain the original timeline.

In addition, and particularly more recently, it should be known that this story has a collaborative element to it - people may submit loop ideas or loops, ideally at the Spacebattles thread (a link to the current version of which is on the Trope page), and they may become included.

There's two page image options, thanks to Filraen - the current page image has been edited by the original creator from this work of theirs.. The other one is here:
http://hourglass-vectors.deviantart.com/art/MLP-Loops-466030169