Amazon Book Rankings
May. 11th, 2006 12:07 pm![[personal profile]](https://www.dreamwidth.org/img/silk/identity/user.png){kind=small}
jasonandrewI 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?