The skies of the icy north aren't for the faint of heart. Even the best airship captain must be wary. But Blue Venture's not worried. She's sure Lunar Skysong will make it back to her in one piece. She always does.
Princess Luna disappears from Equestria with hopes of saving the world and is accompanied by the enigmatic Sombra. Meanwhile, Celestia tries to bury secrets as immortal as she is and Cadance must choose her loyalties carefully...
Steel Song is a lot of things. Earth pony. Uncle. Professional bodyguard. Retired. So when he receives a mysterious package from Princess Luna, he's understandably apprehensive. Things are never as they seem in Equestria...
Twilight sets out to learn more of the ways of the world, and soon decides that the whole planet is disorganized, insanely dangerous, and desperately needs to be fixed. And she's just the mare to do it... with a little help from her friends.
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.