Let’s take a look at some of the most useful book marketing Tweets from the past week, courtesy of bloggers, marketers, authors and others. The topics include how to avoid mistakes when self-publishing, ways to get more retweets, what to track on Facebook, free eBook webinars this month and much more. Happy marketing!

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* When Do You Need an Editor?

Did you know you should hire an editor for three phases of the writing process? Learn more:

http://www.alanrinzler.com/blog/2011/11/26/when-do-you-need-an-editor/

* Building Your Author Platform: Income

It’s about getting your audience to show you the money – here’s how:

http://bookmarketingmaven.typepad.com/book_marketing_maven/2011/11/bui.html

* Join us at These Free eBook Webinars 12/7 and 12/8

Sign up for eBook Launch Secrets Dec. 7 and Launching a Virtual eBook in a Real World Dec. 8:

http://amarketingexpert.com/free-webinars-on-ebooks/

* Five Top Metrics You Should Be Tracking on Facebook

Image by kohtzy via Flickr

There’s a lot of data available on Facebook but there are five key areas to monitor:

http://www.prnewsonline.com/free/Five-Top-Metrics-You-Should-Be-Tracking-on-Facebook_15639.html

* Publicity Strategy: Year-in-Review Press Releases

Image via Wikipedia

These releases are a great way to gain exposure and position yourself as the go-to expert:

http://www.sellingbooks.com/publicity-strategy-year-in-review-press-releases/

* 10 Ways to Get More Retweets

Image by Mahadewa via Flickr

Discover some advanced methods for getting your followers to retweet your content:

http://www.quicksprout.com/2011/11/28/10-ways-to-get-more-retweets/

* Don’t Make These 7 Self-Publishing Mistakes

Image via Wikipedia

Blunders can be costly, so heed this expert advice:

http://selfpublishingresources.com/don%E2%80%99t-make-these-7-self-publishing-mistakes/