This thematic issue of EASTS focuses on diagrams, and I was given responsibility for selecting appropriate images for the cover. Weeks ago, when members of the cover editorial team and I were discussing possible designs for this wonderful issue, Chia-ling Wu came up with an idea. She noted that the theme “diagram” had her thinking “postmodern,” and she suggested that I look for images that chimed with this particular concept. I was intrigued and relieved—just at that moment I was feeling deeply troubled by my assigned task, partly because, in a sense, every image could be a diagram in one form or another. Professor Wu’s suggestion helped me narrow down the scale and scope of my image hunting.

Some readers may think that the image we have chosen does not look postmodern in style. Nonetheless, my postmodernist pursuit raised a...

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