The Long Tail made it into Harper’s Index (apparently the June issue - I saw it here): “Minimum number of different books sold in the U.S. last year, as tracked by Nielsen BookScan: 1,446,000. “Number of these that sold fewer than 99 copies: 1,123,000. “Number that sold more than 100,000: 48 Yes, those are startling enough to make the list, but not really surprising. The trick for most writers…