joey nelson blog title goes here

Bookflipper is a tiny web app that serves up pricing information for used books from the Amazon API. My friend Brian has been picking up cheap books and selling them on Amazon for a profit. Now when he’s wondering if a purchase is going to pay off, he can just pull out his cell phone and enter the book’s ISBN into Bookflipper to see what the market is like.

Example 1
Example 2
Example 3

The page size is usually between 0.5-0.6k, thanks in part to some output buffer trickery. Of course, the preview image is much bigger but it seemed too useful to get rid of.