Mona was the Managing Editor of issues 1 and 2 of the Oerth Journal, an online publication devoted to the World of Greyhawk campaign setting, and the Editor-in-Chief from issues 2–7. In the 1990s, Mona had the opportunity to talk to designers like Robert Kuntz on the GreyTalk mailing list in 1990s, where Kuntz shared stories of the early Greyhawk days.:242
Mona became the head publisher of Paizo in April 2006. Mona served as the editor-in-chief of the Dungeons & Dragons role-playing game magazines Dragon beginning in 2004 and Dungeon from 2004 to 2006; at the time, both magazines were published by Paizo until the license through Wizards of the Coast expired in September 2007. Mona and other editors working at Paizo were fans of Greyhawk, and thus gave some attention to the setting in Dragon and Dungeon magazines while Paizo was publishing the magazines.:177
He has edited, authored, and co-authored several products for D&D, including the Living Greyhawk Gazetteer, Faiths and Pantheons, Fiendish Codex I: Hordes of the Abyss, Expedition to the Ruins of Greyhawk (a "solid hit")), Pathfinder Chronicles Campaign Setting, and Armies of the Abyss. He maintained a blog called Lemuria Press and made his last post on Lemuria Press on December 25, 2012.
- "Erik Mona discusses Planet Stories". BlogTalkRadio.com. Retrieved 3 January 2018.
- "Erik Mona". Facebook.com. Retrieved 2016-08-19.
- Various pages accessible from RPGnet RPG Game Index: The Oerth Journal Magazine Cover Listing. Retrieved November 20, 2008.
- Shannon Appelcline (2011). Designers & Dragons. Mongoose Publishing. ISBN 978-1-907702-58-7.
- "Erik Mona Promoted to Publisher of Paizo Publishing". Paizo.com.
- "Paizo Publishing Appoints Erik Mona Editor-In-Chief Of Dragon & Dungeon Magazine". Gamingreport.com. Archived from the original on 2004-10-31.
- Bradford C. Walker (2002-08-05). "Living Greyhawk Gazetteer (Capsule review)". RPGnet. Retrieved 2008-11-22.
- Jeff Klingbeil (2002-11-29). "Faiths and Pantheons (Capsule review)". RPGnet. Archived from the original on 2002-12-17. Retrieved 2008-11-22.
- Christopher W. Richeson (2006-08-25). "Fiendish Codex I: Hordes of the Abyss (Capsule review)". RPGnet. Retrieved 2008-11-22.
- "RPGamer review". Archived from the original on 2008-07-09. Retrieved 2008-11-20.
- "Writing Credits". Pen & Paper RPG Database. Archived from the original on 2005-02-19.
- "Goodreads: Erik Mona". Retrieved 2008-11-20.
- Alan D. Kohler (2002-05-05). "Armies of the Abyss (Capsule review)". RPGnet. Retrieved 2008-11-22.
- "lemuriapress - Profile". lemuriapress.livejournal.com. Archived from the original on 2016-04-08. Retrieved 2016-08-19.
- "Lemuria Press". lemuriapress.livejournal.com. Archived from the original on 2016-08-16. Retrieved 2016-08-19.