When it was first published, in 1990, The 7 Habits of Highly Effective People was an almost instant bestseller—and became a permanent part of the cultural lexicon. With more than 15 million copies sold in over 33 languages and 75 countries since its first publication, this book continues to help millions of people become more effective—both in their personal and professional lives.
What author Stephen R. Covey advocates is
...Dale Carnegie's How to Win Friends & Influence People has sold 15 million copies since its original publication in 1936. Here Carnegie's classic guide on communication and leadership gets a fascinating update for the age of social media. While the digital age may have changed the face of communication, the basic skills necessary for successful social interaction remain as important as ever.