jasonandrew (![[personal profile]](https://www.dreamwidth.org/img/silk/identity/user.png)
jasonandrew) wrote2006-05-11 12:07 pm
jasonandrew) wrote2006-05-11 12:07 pm
Amazon Book Rankings
I have a question about Amazon rankings.
What is good? Is 100k good? 500k? How come a book will go up or down by 100k in a single day?
What is good? Is 100k good? 500k? How come a book will go up or down by 100k in a single day?