This is a sourcebook of reports on the results of the Seoul International Writers’ Festival 2020. Seoul International Writers’ Festival 2020 was held online from November 2 to 8, 2020, under the theme of “Writing Tomorrow.” A total of 25 writers from Korea and abroad participated in the festival, and a total of 2,894 people signed up in advance to attend. The sourcebook includes the results of the festival, information on the composition and operation of the events, information on participating writers, analytical results on surveys of participating writers and the audience, Opening and Closing Keynote Speeches, and related articles.