Vampire Hunter no Nazo: Mayoikondara Nogarerarenai Another World e Yo·ko·so...... (ヴァンパイアハンターの謎 迷い込んだら逃れられないアナザーワールドへよ・う・こ・そ……), roughly translated as Vampire Hunter Mysteries: Welcome to another world where you can't escape if you get lost......, is a book about Night Warriors: Darkstalkers' Revenge. The book, ISBN 4881991809, was published on 1995-07-10 by Shinseisha. It was put together by Gamest Books Editorial Department and Capcom Development Team. It's the follow-up to Vampire no Nazo.
Like the previous one, the book lays out the background behind the characters and mythology in the game, answering questions about unexplained things from the game, with short essays speculating on various subjects.