Did you see something in a bookstore and want to know if your library has it? Do you need to find a local library? Or find out if there is a library which has a CD of your favorite (but not yet famous) rock band? We’ll there’s an app for that! That app is RedLaser which harnesses WorldCat, the world’s largest database of bibliographic information built continuously by libraries around the world since 1971. The RedLaser app from iTunes is $1.99 and perfect if you are a bibliophile or just a thrifty shopper. Click the links for more information.