In the spirit of Labor Day, we’re taking a bow to all of our careers and the good, hard work we do to make a difference. None of us got here alone; there were mentors, teachers, parents, friends, bosses, colleagues—and a few key reads.

Here’s a list of 21 books that made an impact on how we approach work. Add yours in the Comments, at the end of page. Happy reading!

• How To Win Friends and Influence People, by Dale Carnegie
• The 4-Hour Workweek, by Timothy Ferris
• Practical Object-Oriented Design in Ruby, by Sandi Metz
• Third Circle Theory: Purpose Through Observation, by Pejman Ghadimi
• Bargaining for Advantage, by G. Richard Shell
• Shackleton’s Way: Leadership Lessons from the Great Antarctic Explorer,  by Margot Morrell  and Stephanie Capparell
• The Pragmatic Programmer: From Journeyman to Master, by Andrew Hunt and David Thompson
• The Balanced Scorecard: Translating Strategy Into Action, by Robert S. Kaplan and David P. Norton
• All Politics Is Local: And Other Rules of the Game, by Tip O’Neill and Gary Hymel
• The Goal: A Process of Ongoing Improvement,by Eliyahu M. Goldratt and Jeff Cox
• The Lean Startup, by Eric Ries
• The Power of Habit: Why We Do What We Do in Life and Business, by Charles Duhigg
• The Heart Aroused: Poetry and the Preservation of the Soul in Corporate America, by David Whyte
• Good to Great: Why Some Companies Make the Leap…And Others Don’t, by Jim Collins
• Drive: The Surprising Truth About What Motivates Us, by Daniel Pink
• Switch, by Chip and Dean Heath
• Mastering the Complex Sale: How to Compete and Win When the Stakes are High!, by Jeff Thull
• The Tipping Point: How Little Things Can Make a Big Difference, Malcolm Gladwell
• The Five Dysfunctions of a Team: A Leadership Fable, by Patrick M. Lencioni
• Mojo: How to Get It, How to Keep It, How to Get It Back if You Lose It, by Marshall Goldsmith and Mark Reiter
• Getting Things Done: The Art of Stress-Free Productivity, by David Allen

Add to the list in Comments.