Black Dog Game Factory was a label used by White Wolf, Inc. for the publication of a number of books in their original World of Darkness RPG line. Books published by Black Dog had adult or mature themes, though it should be noted that not all Black Dog-published books dealt with sexual material. Some are labeled as adult because they deal with themes of strong violence or evil (such as Hunter Book: Wayward), religious themes (Cainite Heresy), or controversial subject matter (the Holocaust-based Charnel Houses of Europe: The Shoah). Books published by Black Dog include: