The metamorphosis by Franz Kafka:


The same site offers audiobooks of all kinds, read by volunteers and it's completely free. They also have an android app!

Not an audio book but a podcast. The History of Rome by Mike Duncan is a great listen.
Sword of Truth
Wheel of Time
Song of Ice and Fire
The Dark Tower

All that should be enough for a while.
Freakonomics is pretty good as an audiobook.

Also, Philosophy bites do a number of short segments on various things that are quite good.
"Why should we subsidise intellectual curiosity?"
-Ronald Reagan

"Knowledge is in every country the surest basis of public happiness."
-George Washington