Seth Godin’s Blog This writer specializes in marketing and offers advice on self-promotion.
AuthorTechTips.com Information in simple terms about social networking, blogging, podcasting, and anything else tech-related a writer needs to know for promotion and marketing.
Inkygirl.comis a blog featuring tips, tools, and funny cartoons, plus an invaluable series on Twitter for writers.
In addition, the following books are also excellent sources for ideas on how to effectively promote your books:
1) Dan Poynter’s Self-Publishing Manual: How to Write, Print, and Sell Your Own Book, volumes 1 and 2.
Volume 1 focuses mainly on self-publishing, but includes valuable information on promotion. Volume 2 is all about marketing and promotion and expands on volume 1 (though it’s a much shorter read), covering vital information on updated technologies and resources for marketing any published work.
2) John Kremer’s 1001 Ways to Market Your Books
3) Jay Conrad Levinson’s Guerrilla Marketing for Writers: 100 No-Cost, Low-Cost Weapons for Selling Your Work