Featuring five breath-taking 3-D castles, the new pop-up book My Little Pony: Castles of Equestria from Little, Brown has something for fans of all ages. Acclaimed pop-up author and artist Matthew Reinhart visits with Hasbro Pulse to give fans a complete walk-through of this instant classic and why his innovative new approach to creating a book that can actually be played with proves that friendship is indeed magic.