*Have you already bought buy back do not remember the book?
*With book, Blu-Ray, would you like to check the music CD in one eye?
App Developers also created a book to buy the book keeps repeating the same things to live.
You can check whether you have read the barcode of the product you purchased.
You can also enter the information in the product with without barcodes.
Check to see if already in your collection before you pay!
-Please enter your information easily put a bar code with the camera.
-You can search by name.
-Please add the management category.
-You can back up data in iTunes.