How does one determine the breakdown of booksales? The new Michael Moore bashing book has opened at number 9 on the Times bestseller list. I had never even hear of it and I read voraciously. There are already more than 300 reviews on Amazon, all accumulated within the last 10 days. According to David Brock, right wing foundations will often pump up sales of books they favor by buying them in bulk from select outlets. Brock says that bulk buying will be indicated by a (!), but I can't see this on the Times web page. How can I tell if this is real book sales to individuals, or just Republicans gaming the system. It would be nice to know if Amazon can prove reviews are from unique users, or again just interested parties pumping up the hype on a book. A reference on the Amazon ranking system would be helpful.