This book constitutes the refereed proceedings of the 12th International Conference on Interactive Digital Storytelling, ICIDS 2019, held in Little Cottonwood Canyon, UT, USA, in November 2019. 

The 14 revised full papers and 10 short papers presented together with 19 posters, 1 demo, and 3 doctoral consortiums were carefully reviewed and selected from 66 submissions. The papers are organized in the following topical sections: Creating the Discipline: Interactive Digital Narrative Studies, Impacting Culture and Society, Interactive Digital Narrative Practices and Applications, Theoretical Foundations, Technologies, Human Factors, Doctoral Consortium, and Demonstrations.