Spin off to Wasp: The Life of a Changeling Spy Not a required read, but recommended. It takes place four month before Chapter 1- Bring Your Date To Work Day.
Blank Canvas a pony-changeling hybrid that was bred for espionage. All 12 of his siblings were born the unique talents and powers. They even have their own cutie marks. All except him. While on a mission to Ponyville, he finds three preteens who are having similar problems. He starts to take interest in there club and decides to join. Hilarity ensues. This story was inspired by Aslfrasle.