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- For the legal scholar and author at New York University School of Law, see James B. Jacobs
James Jacobs is an American designer and author of role-playing games and texts in the fantasy, horror and the occult genres. In the 2000s, he served as the editor-in-chief of Dungeon magazine, published by Paizo Publishing.
Jacobs has been involved in the roleplaying industry since the age of fourteen, when his adventure "Scepter of the Underworld" was published in Dungeon in 1988. Since then, he has authored and co-authored several other products for the Dungeons & Dragons roleplaying game, including Dungeon Master's Guide II, Lords of Madness, and Red Hand of Doom. He also wrote Fiendish Codex I: Horrors of the Abyss with fellow Paizo editor Erik Mona.
Among Jacobs' other writings is the popular[attribution needed] "Demonomicon of Iggwilv" feature in Dragon magazine, and he has contributed a number of adventure stories for Dungeon. Jacobs has also created many notable Dungeons & Dragons creatures, with the ulitharid, draknor, and the kaorti among the most prominent.