From the preview:
The Bestiary of Equestria is the perfect visual guide to all the creatures and characters players can experience in My Little Pony: Tails of Equestria storytelling game. This 128 page hardback book contains all the creatures of Equestria from My Little Pony: Friendship is Magic! Within these full-color pages players will also discover how to create their own critters for the storytelling game, new player races and ponies of Equestria, as well as new Talents & Quirks to use when playing Tails of Equestria.
The Tails of Equestria is the core rulebook in a growing line of fun, family-friendly My Little Pony products proudly produced by River Horse and Shinobi 7, and sold by Ninja Division. Strongly supported with future adventure books, character cards, and game tokens, it’s sure to unite all in the bonds of friendship! Plus, with family-friendly characters and a powerful underlying theme of friendship, it is sure to be enjoyed by players of any background!