When Twilight was younger, she would sometimes be privately tutored when Celestia was occupied. Once a professor attempted to teach Twilight Military Strategy. It didn't go well.
Set during Discord's first escape. All of Ponyville was at his mercy... except for one beautiful, if odd, two-toned house. Let us hope curiosity does not kill the draconequus...
The Alicorn Amulet is mysterious, powerful, and harder to find than expected, but it is also very perilous. What if the shoppony remembered to mention that to Trixie?