Company draws up list of 25 best-selling authors as part of its 10th anniversary celebration later this month.
Similar lists of top-selling musicians and DVDs will be revealed on July 11 and July 13, respectively. J. K. Rowling, author of the Harry Potter series, led the list. William Shakespeare just missed being on the list, giving up the 25th position to Tom Clancy, known for best-selling books such as "Patriot Games" and "The Hunt for Red October." Amazon is also running a "Wish List Spree" sweepstakes, giving out prizes worth up to $5,000.