If you are an author it is essential to know how to market your book. Here are a few ways to gain visibility for your book. All are free.
Your own opt-in subscriber list
Media releases
Blog postings
Yahoo group postings
Post Video link on blog
Put a link on your website
Forums
Tell a friend
CraigsList
Calendar postings
Email Sig file
Your Ezine
Solo and classified advertisements on the Internet
Newsletter ads with people you know

In success
Kathleen Gage
The Street Smarts Marketer