Audio books allow you to enjoy your favorite reading material while you are on the go. Here are some of the best sites for you to find the most popular audio books for your listening pleasure:

Podiobooks doesn’t have many best sellers; it is completely free though and has a nice collection of free audio books by lesser known authors in over two dozen genres. This website does ask for donations and gives 75% of the proceeds to the authors who offer their free audio books.

Project Gutenberg has the largest number of free eBooks on the internet. This website also offers audio books of some the collection of eBooks in the collection.

Books Should Be Free offers public domain audio books that are mostly found at Project Gutenberg and LibriVox. These audio books can be downloaded as MP3 files or podcasts.

LibriVox is a volunteer driven website and has audio books recorded by people from all over the world. You won’t find best sellers, but you will find a great collection of the classics.

Audible.com is the most well known website to find free audio books for your iPod. It has a free trial, then the membership fees range from $157 to $229 per year for 12 to 24 audio book downloads. The free trial though has free audio books that you can download and there are occasionally free promotionals for more free audio books.

Audio Book Apps has some free audio books, but most of them will cost you between $0.99 and $4.99. Many of the paid audio books are bigger name authors though, so it could be well worth it if you want to keep up to date on the latest popular books.

AudioBooksForFree has free audio books, but they are low quality recordings. They ask between $5.00 and $8.00 for higher quality recordings.

eMusic is a subscription based music store that has audio books. You can get some of these free during a free trial; otherwise you will pay from $9.99 to $18.99 per month for an audio book plan. There are big name authors and best sellers here, so signing up for the 14 day trial is worth it.