This story is a sequel to An Apple Scratch toward the World.
(Humanized) After their decisive actions during Chrysalis' Invasion of Canterlot, Princess Celestia gives to Vinyl and her 'sister' Applejack an other Mission. One they would have hope it never befalls to them. (or So they first thought)
Cover masterly done by BillieW
Apple Scratch Saga:
1: Apple Scratch toward the world
2: A summer at the farm
3: Onward to the Equestria games
Bonus/World Building : Tales of Apple Scratch