He is internationally recognized for his research on the overlap of the structure and cognition of sequential images and language. His book, The Visual Language of Comics (Bloomsbury, 2013), introduces a broad framework for studying visual narratives in the linguistic and cognitive sciences. His edited volume, The Visual Narrative Reader (Bloomsbury, 2016), integrates interdisciplinary research on visual narratives into a unified field within the cognitive sciences. His work is online at www.visuallanguagelab.com.