Does anybody read book "The Seven Habits of Highly Effective People" written by Stephen R. Covey?

Yes. I have the full series and he is my favourite self-dev author. I like the fact that he centre's on the core principles and values we hold rather than simply trying to 'fix' our behaviour. Much more real than treating the sympton. Also, he keeps his advice about actually developing ourselves as people rather than just trying to modify behaviour in order to pander to our greed as so much of the self dev authors do.