Background of day, of night is a major published interactive digital media work. Funded competitively by the Australian Film Commission, exhibited and published internationally, of day, of night operates at the intersection of narrative and interactive media forms. Integrating video, audio, stills, textual and interactive components, it is a major electronic hypertext notable for its rich visual and aural landscapes, strong narrative, and innovative fusion of filmic, textual and audio elements. The high degree of research, creativity and quality represented by of day, of night can be demonstrated by its worldwide exhibition (including Australia, Japan, USA, Europe), its nomination for and high commendations in significant peer reviewed awards (Festival Awards for Literature, AIMIA) and its commercial publication in 2005 by major US hypertext publisher, Eastgate Systems. Contribution Megan Heyward is the original writer, director, producer, graphic designer, video editor, and interactive programmer of the work. Significance The significance of this research is that it extends and redefines traditional notions of narrative through its engagement with electronic, interactive, hypertextual media forms. In of day, of night, traditional experiences of both textual and filmic forms are extended through the fusion of textual, graphic, and filmic media in the work. The impacts of interactivity on narrative form are explored through the increased participation and user control possible in the reading of the work. of day, of night is a unique creative fusion of narrative and interactivity, recognised through international publication, exhibition, awards and peer review.