Sebastian Marshall's blog is realy great. He inspired me to start tracking my time on a daily basis, and I am certainly benefiting from it.

Here is an introduction page that he posted for newcomers: http://www.sebastianmarshall.com/?page_id=288 You can see that there is many topics under "Want to get more done?"

Though I know that most books are a waste of time, these were actually filled with great information, in my opinion:

http://www.web-books.com/Classics/ON/B0/B580/TOC.html

http://amzn.to/Getting-things-done