Amazon is delighted to declare “strong customer adoption” of the Kindle Owners Lending Library and oodles of money for participating Kindle Select (e.g. Kindle-exclusive) self-published authors. Interestingly, however, the extra money that Amazon claims participants received–“an incremental 26 percent in December”–is roughly equal to the proclaimed market share of No. 2 ebook player Nook, where Select authors and publishers can no longer sell. Which begs the question of whether participants are actually making more money in toto. Even the top 10 authors–whom Amazon says earned over $70,000–only got a 30 percent boost over their ebook sales with their lending library […]