For those indie authors who use KDP for your Amazon books. Here is a handy-dandy USEFUL tool that reports your book sales data in real-time: Book Report.
It’s packed with features, but the important thing is this: you get the data you need to see if you want to work smart. Find out instantly which books are selling and which are flopping. Find out which of your pen names are the best earners. The business side of writing just got way easier. Now you can focus on the fun part: writing new books!
Follow this link to install the bookmarklet to see how it works. It’s pretty awesome.