You're assuming that 0.1% can still get the thing finished and out there, given a success rate of around 1/100 between people who want to write a book and those

You're assuming that 0.1% can still get the thing finished and out there, given a success rate of around 1/100 between people who want to write a book and those that actually complete it, the number of missed books is probably closer to 3000.