There are many books on social media in the market. Here are some books which I would recommend you to read.
The NOW Revolution: 7 Shifts to Make Your Business Faster, Smarter and More Social by Jay Baer and Amber Naslund
The NOW Revolution, authored by Jay Baer has evolved as a great speaker in the social media space and his speeches provide fruit for thought on social business. Combining his knowledge with Amber Naslund, former Vice President of Social Strategies for the most popular social media monitoring software Radian6, The book defines how social media impacts businesses in real time. It explains you how to thrive and sustain in the competitive business world with the hedge of social web.
Twitter Power by Joel Comm
The book describes straight forward techniques used by Mr. Joel Comm to do good tweeting. The book showcases real case studies of business houses on the frontier of the Twitter revolution, to help you design and implement your own social networking strategies. It describes about the good practices to earn respect and influence on Twitter. In this book, The celebrity author Mr. Joel Comm suggests some methods of getting targeted followers though some simple techniques the author used to succeed in his internet. Twitter is much respected in Social media arena. So Joelcomm’s twitter power needs to be respected as a straightforward book which throws light to many emerging tweeples and respects the policies of twitter as well and so it sold a million copies all over the world and I also proudly owns one copy. In short it is a higly recommended resource for all who seeks good practices in twitter.