This story is a sequel to Live by the sword

Everypony makes enemies over the course of their life, and the princesses have had longer lives than most. When Canterlot is attacked and an age old nemesis emerges looking for revenge, ancient mysteries must be unravelled and old secrets unearthed.

Who, or what, is Moamer?

The first large story within the Moamer-verse.
Takes place sometime around the start of season 5.

This story is a sequel to Sandwiches

Celestia is somewhat out of practice with the whole "warrior princess" thing. Luna agrees.

Part of the Moamerverse.

Celestia contemplates sandwiches and life. Also, Luna.

A small prequel to the Moamerverse

Sequel

Twilight is concerned about the excess of puns in modern equestrian culture. She asks somepony for help.

Luna samples a culinary delight, discovered in her absence. Issues are addressed and secrets are unearthed because of this marvellous beverage.

Its name is... coffee?

A series of rules that Twilight feels are appropriate for the library, after certain instances occur.

I make no promise for the quality.

Discord feels like he needs a number. Why? Everybody else does!