Twilight changes Star Swirl's time spell to travel back to the past once more. She ends up in the Pre-Equestrian era and unwittingly saves two fillies in the process. Little did she know what teaching them magic can do for the fate of Equestria.
Sequel to The Celestia Code. When the monsters created by the dark crystal engine escape their prison, it's up to Princess Twilight to deal with them. She gets help and advice from Princess Luna, but things don't go as planned.
On behalf of her sister, Princess Luna tries to elevate the studies of her new student, Twilight Sparkle. However, when their plans backfire, they find themselves in a new world where magic is lost, and then have to survive the turmoil in its place.
For a thousand years, the Code of Harmony has ruled Equestria, and the Code of Dissonance has sabotaged its works at every turn. Now the war for control over the land will come to a head, and one unicorn's decision may decide the fate of all.
Space Princess Luna returns to New Canterlot to charm her love and root out a dangerous spy known only as The Broker. Find space, spears, and thrilling intrigue in this dashing planetary romance!
After a plague sweeps through the city, life is hard for the lower class. But, there are always those who can claw their way back, fight for every inch of success. With her determination and intelligence, Twilight hopes to be one.
Twilight gets a lucrative invitation for a top secret project. It seems like a dream come true, a true opportunity to help civilization advance, but soon the dream becomes a nightmare.