That's a given.
But being good at what you do is not enough if you want to be really successful. You need something else. You need The Rules of Work.
Online Sample Chapters Rule 1 of Work: Get Your Work Noticed Rule 2 of Work: Never Stand Still Rule 3 of Work: Volunteer Carefully Rule 4 of Work: Carve Out a Niche For Yourself Rule 5 of Work: Underpromise and Overdeliver
Now, remember to borrow me the book after you have read it.