HistoryAudioBookConverter was originally designed as a simple and lightweight application to convert a set of mp3 files to single or set of m4b (aac) files to be played on your mobile device (or any device now).NowOver time AudioBookConverter evolved and currently can support conversion of most of the popular formats (mp3, wma, m4a, flac) to m4b, mp3, ogg. It also can handle existing m4b files and process them with chapters, artwork and other meta