I'm grateful to the developer of Calibre since this software helps me to manage and organize my books as well as change them to EPUB format when necessary. Sure, I have encountered a few issues that I was able to work through- but I’ve had issues with a lot of software (Vista

). On the whole I really like this software.
Sony's library software is really

.... have no words for how much I distain it. I only use Sony's software for buying or searching for Google books then just import them into Calibre for metadata and tagging etc.