In the last two decades a new concept has arisen - The concept of listening to a book instead of reading it - Audio books. The audio book technology is still developing but audio books are acquiring more and more popular. However, the old fashioned book is still the much more common than any other method. In this article we will elaborate on the differences between these two book methods: 

1. Size and Weight The audio book does not have the limitation of the the size and the amount of the printing words. The technology advance imposes the size of the audio book. The newest audio books could be stored as an audio file in mobile electronic devices as Ipod or Palm pilot. 

2. Convenience - The audio book has the limitation of listening only from certain predefined points or from the exact point one stopped listening the last measure . Reading an old fashioned book is much more flexible of course. If you only want to go through a book without reading it from initial to end, do not even ruminate on acquiring an audio book. 

3. Listening to audio books could be done anywhere anytime while exercising in the gym, driving through the heavy traffic to work etc. It helps you build the most of your instant. Reading the old fashioned book requires certain conditions like concentration and quiet and relaxed surroundings.    

4. Price Surprisingly, in general the old fashioned books costs less than audio books. Depending on the different titles and different methods of audio books it might vary. Among the audio books, audio books on MP3 files are the less expensive ones. 

5. Experience the knowledge of reading a book is unique and may not be the same as listening to audio books. In addition, audio books do not have drawings in them like some of the old fashioned books. 

Summing up, we believe that audio books and the old fashioned books could exist together one besides the other and not one instead of the other.