"The Unofficial Guide to Game of Thrones" by Kim Renfro is a 384-page trade paperback published by Atria Books in 2019. This informative guide provides in-depth insights and analysis of the popular television show, exploring the various genres, such as science fiction, fantasy, and horror. With stunning illustrations and written in English, this book is a must-have for fans looking to dive deeper into the world of Game of Thrones.