This is a review, hints, tips, retrospective, and history book, devoted to the video game franchise, "Castlevania". There is a entry for each game, with color screenshots for each game. There are also chapters, on games that are similar in theme and gameplay {clones}, listings for soundtracks, and other merchandise such as books, and comics. There is also a section on Trivia. The guide is Unofficial, and Unauthorized, and yet it has illustrations of the characters, concept drawings, and art work from the games.
