Voice of Authority
The Voice of Authority: 10 Communication Strategies Every Leader Needs to Know by Dianna Booher

You may be hired for your technical ability, but your ability to communicate effectively is what will allow you to climb higher. When it comes to information it seems that your options are: information overload, buzzwords, and spin. But none of those options are for you. Dianna has dissected the building blocks of communication to ensure what you say is understood, trustworthy and compels people to action.
Links:
Website – Dianna Booher
Book – Voice of Authority

