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This Fall issue marks the first time we have devoted the AI Magazine to a single theme. The idea originated a couple of years ago, and I'm pleased to see the actual implementation. Mark Fox, Special Editor for this issue, is to be congratulated for a fine job of selecting some of the best authorities in the field and working with them to produce an excellent survey of the current state of the art in AI for manufacturing. In fact, Mark exceeded our expectations and solicited more articles than we could reasonably fit in one issue. The quality of all the articles was so high that we didn't want to exclude any of them.