The Read : John C Maxwell's The 360 Degree Leader.
I was gifted this book from a mentor. I'm about half way through the content and really enjoying it. John tackles leadership at great depth in the book. It's been well worth the time invested. I'm looking forward to enjoying the rest of the book.
Book description: John Maxwell offers specific principles for Leading Down, Leading Up, and Leading Across. 360-Degree Leaders can lead effectively, regardless of their position in an organization. By applying Maxwell's principles, you will expand your influence and ultimately be a more valuable team member.