There are some great books listed in everyone's postings! I apologize in advance for the length of my list, but here are some of my favorite sales/business books:
General Sales:
▪ Brian Tracy: The Psychology of Selling
▪ Linda Richardson: Stop telling - Start Selling
▪ DeGroot: Psychology for Successful Selling
B2B Sales:
▪ Jill Konrath: Selling to Big Companies
▪ Jeffrey J. Fox: How to Become a Rainmaker
▪ Art Sobczak: How to Sell More in Less Time with No Rejection
Management
▪ Loehr & Schwartz: The Power of Full Engagement
▪ Buckingham & Coffman: First, Break all the Rules
▪ Lencioni: The Five Temptations of a CEO
▪ Buckingham: The One Thing you Need to Know
▪ George & Sims: True North: Discover your Authentic Leadership
General Business or Marketing:
▪ Beckwith: Selling the Invisible
▪ Beckwith: What Clients Love
▪ Ries & Trout: The 22 Immutable Laws of Marketing
▪ Ries & Ries: The 22 Immutable Laws of Branding
▪ Jacobs & MacFarlane: The Vital Corporation
Personal Development:
▪ Godin: The Dip
▪ Buckingham & Clifton: Now, discover your Strengths
▪ Covey: The 7 Habits of Highly Effective People
▪ Maxwell: Becoming a Person of Influence
▪ Canfield: The Success Principles
The best to you!