1. Beastiary
(World of Westeros/Miscellaneous)

... Grumkin Hydra Merling (and Merman) Snark Sphinx Warg (or Skinchanger)   ...

2. Customs & Laws of the Seven Kingdoms
(World of Westeros/Miscellaneous)

... Dragons. People tell colourful and often ghastly tales about mythical beasts such as wargs, direwolves, manticores, grumkins, and snarks, but the most frightening horror stories are told of the Others. ...