Passing it on: 89 Bookmarketing Ideas that will change your life.
If you need more ideas and more details about those ideas, John Kremer is famous for his 1001 Ways to Market Your Book (latest edition 2006), but here are a few more recently (re)published books by top author/promoters that should be up to speed with the rapidly evolving publishing/promoting industry:
Promote Your Book: Over 250 Low-Cost Tips (2011) - Patricia Fry
The Frugal Book Promoter (2011) - Carolyn Howard-Johnson
55 Ways to Promote and Sell Your Book on the Internet (2009) - Bob Baker
Red Hot Internet Publicity (2009) - Penny Sansevieri
Get Known Before the Book Deal (2008) - Christina Katz (all about building platform)
Christina will be featured at the Missouri Writer's Guild Conference this April.