Twilight Sparkle has just stocked out some books from the Royal Canterlot Archives. This day is gonna be SOOO AWESOME! Then somepony crash lands on her.
References to Cupcakes and Rainbow Factory appear. Marked Teen for the use of some swear words and for some references implying murder, though no direct violence appears.
Cover art taken from DeviantArt user DashieSparkle.
https://dashiesparkle.deviantart.com/