Are you using Twitter to promote your book?
Here are a few links on how to promote on Twitter.
How to Use Twitter to Promote Your New Book
http://michaelhyatt.com/how-to-use-twitter-to-promote-your-…
How to Use Twitter Lists as a Book Promotion Tool
http://bookmarketingmaven.typepad.com/…/how-to-use-twitter-…
The 12 Most Important Twitter Hashtags for Promoting Your Book
http://readerswritersjournal.com/…/twitter-for-book-promot…/
How to Promote Your Book on Twitter: An Intermediate’s Guide to Tweeting
http://blog.bookbaby.com/…/twitter-202-for-authors-an-inte…/
15 Powerful Twitter Promotion Ideas
http://twittertoolsbook.com/promotion-ideas/
http://www.a-to-zchallenge.com/p/a-to-z-challenge-sign-uplist-2015.html