Audio Book Treasury
If you fancy titles like "Beowulf," "Dracula" and "Three Men in a Boat’" get it here. 

Biographies  

Maria Lectrix
public domain audiobook podcast - for people with catholic tastes. 

Harlequin
Romantic novels about men and women who fall in love. 

Voices in the Dark
Download both low and high bitrate audio books here, from poetry to essays. 

The Storyspieler
One of the narrators from Gutenberg shares his own audio books here. 

Broken Sea
The audio books here are mostly sci-fi, horror and drama. 

Cthulhu
Download old titles like "The Damned" and "The Shunned House" here. 

LibriVox
When you are on the move and keeps you entertained. It is also a great help for the visually impaired. 

ManyBooks
Browsing for books is quite easy on ManyBooks as it offers neatly categorized sections of texts in different genres. Moreover, it has a Recommended and Featured Authors section that can help readers pick their next book. 

Smashwords
If you are looking for some literary work by Indie authors, Smashwords is the right place to look. 

ReadBeyond
words never heard before 

BookRix  

Free eBook Download Guide  

Magazines