After the death of their parents, Myth Chaser and his sister Snapshot set out to finish what had been started. The search for the truth behind one of the biggest secrets in the history of Equestria. An ancient mystery covered in shadow, known only to Princess Luna, and the famed wizard Starswirl the Bearded. What could two ponies of such importance possibly be keeping hidden, something that no other pony dead or alive seems to know?
http://www.fimfiction.net/story/317116/myth-chaser-and-the-secret-of-starswirl
Technically this is not my story, but I was my friend’s editor so I hope I can be allowed to share his story here.