AVCLabs Audiobook Converter makes audiobook to mp3 batch conversion simple and easy. You may select several audio book files to convert. Then click "Convert" button to start converting. What you need to do is just wait for the result of conversion. With this Mac AA Converter, you can easily select AA files from iTunes audiobook library. Then convert them into MP3 or AAC in 5X speed to play anywhere and transfer to your iPod, iPhone or other portable MP3 players, such as Creative zen, iRiver. If you have long audio files that haven't already been split into chapters, it can be a pain to fast-forward to the desired point in the track. AVCLabs Audio Book Converter for Mac can help you split audio books into shorter tracks on your own. There is a audiobook file splitting function inside AudioBook Converter. If you need to have several small files instead of a big one, the Split function will help you.