To create a comic is not to illustrate words, but to create narrative diagrams and transform strokes into imaging words. The infinite array of possibilities that the merging of text and pictures provides is a garden of forking paths that critics have just started to explore. This is an art that operates as the crossroads of various disciplines, but whose specifications require a thorough understanding of its unique mechanisms. The explosion of experimental works and the incorporation of previously marginal (or nonexistent) genres and themes in comics have enriched an already fruitful art in...