In a universe where Princess Luna never became Nightmare Moon, Twilight Sparkle has been sent by Princess Celestia to Manehattan rather than Ponyville on a exchange trip, much to the young pony's displeasure. Will she learn the power of friendship in the bright lights of Eqrestria's capital city?

From the mysterious Alicorn to the beauty of the Phoenix... From the dark nature of the Changeling to the nightmare-inducing Slenderpony... The Equestrian bestiary aims to educate everypony on the rare and wonderful species with whom we share this land of Equestria. With submissions from several different Fimfiction authors, the Equestrian Bestiary is an in-depth journey through the mythology of the various species of Equestria.  

Doctor Whooves and Derpy are launched six months into the future, only to find Ponyville is not entirely the safe place it once was. A new form of life is being born in a secret laboratory, Princess Luna is being haunted by a shadow from her past that she would rather forget, a dear friend has gone missing and even Twilight Sparkle is not quite the pony she once was. What is the darkness that is taking over Ponyville? And can Doctor Whooves stop it before It's too late?