Sea change …

… Wool: Sci-Fi's Underground Hit - WSJ.com. (Hat tip, Dave Lull.)

It's a sign of how far the balance of power has shifted toward authors in the new digital publishing landscape. Self-published titles made up 25% of the top-selling books on Amazon last year. Four independent authors have sold more than a million Kindle copies of their books, and 23 have sold more than 250,000, according to Amazon.