Can't remember if I'm mentioned this before or not, but it's such a great resource, it's worth mentioning again...
Rankforest is an online utility which will let you track item sales on Amazon. It's a great way to watch trends and keep tabs on your own products.
For example, here's what my Law of Attraction book has been doing for the last 90 days.
And the new version of the site will be even better, with tracking of not only Amazon, but Amazon.co.uk and Barnes and Noble as well.
