Phil Simon hosted a publishing seminar that covered various topics related to writing and publishing books. The seminar included sessions on publishing options, the writing process, cover and book design, common myths, and a question and answer period. Simon discussed options for publishing such as traditional publishers, subsidy presses, micropublishers, and self-publishing. He emphasized that the best approach depends on factors like the author's goals, experience level, and marketing abilities. Throughout the seminar, Simon provided advice and warned against common misconceptions in the publishing industry.