If you plan to do much traveling in westeros, you better know the various languages of the people you will encounter. This Living Language Dothraki Book will help with at least one culture.
Fans of the hit HBO series Game of Thrones will love this book. You can learn the Dothraki language. It was written by David J. Peterson, who developed the language for the HBO series.
The course includes a 128-page language guide and a one-hour audio CD with over 200 words and phrases, grammar explanations, cultural notes, a dialogue, and exercises for reinforcement. This is a fun way to interact with your favorite show. Only £11.50 from Forbidden Planet an $15.47 at Amazon.com.