Taking place not long after Princess Twilight Sparkle's Coronation, Twilight learns more about her role as a princess and meets some timeless new friends in the process. King Sombra's castle holds more secrets than just the hidden Crystal Heart. Princess Cadence invites Twilight and her friends to help solve the problem, but Shining Armor is set on finding the right guard to protect his only sister. What is hidden in the walls of the Crystal Castle that could change their destinies forever?
(Note: mild violence)
Cover Art by: EdgarDoesEverything