Twitter Marketing to Build Your Readership    by Perry P. Perkins
Price: $4.95 USD. 2170 words. Published on May 1, 2010. .
The real goldmine of Twitter is that it is the essence of word-of-mouth marketing. That helpful link I posted to the article (on my blog) can get passed along to thousands, or ten-of-thousands of followers on other lists. If you want to build a serious readership, a network of expertise, and maybe even make a few new friends…tweet.

Tweet Like an Eagle!    by D. Arthur Watson
Price: $0.99 USD. 7790 words. Published on September 2, 2011. .
"Tweet Like an Eagle" is aimed at people new to Twitter who aren't quite savvy yet. It shows how to write reader-friendly Tweets — Tweets that attract attention, get read, draw new followers and retain the old ones. It also has ideas for designing appealing avatars, practicing good Twitter etiquette, and locating helpful Internet sites to improve Tweeting.

The Listen Lady    by F. Annie Pettit PhD
Price: $9.95 USD. 43240 words. Published on November 30, 2011. .
Research should be fun and interesting, not boring and over-complicated. The Listen Lady combines the best of storytelling and market research education to outline the processes, advantages, and disadvantages of social media listening research. Written for brand managers, marketing practitioners, and researchers, practical examples make the technique easily accessible to everyone.