Some data blatantly stolen from Dan Pink's blog:
Number of new books published last year: 276,649 (That’s 758 new books per day.)
Number of new business books published last year: 7,651 (That’s nearly one new biz book each hour.)
(Source: RR Bowker report, 5/28/08)
And I'm spending my time doing what?
Sigh. Good thing I enjoy writing and think it's fun, 'cause that's a whole lot of competition.