Here are some of my favorite time management resources:
How to Say No… And Live to Tell About It: A Woman’s Guide to Guilt-Free Decisions by Mary Byers
Time Management from the Inside Out: The Foolproof System for Taking control of Your Schedule and Your Life by Julie Morgenstern
Self Matters: Creating Your Life from the Inside Out by Philip C. McGraw
Time Traps: Proven Strategies for Swamped Salespeople by Todd Duncan
Successful Time Management for Dummies by Dirk Zeller
The Seven Habits of Highly Effective People by Stephen Covey
Margin: Restoring Emotional, Physical, Financial and Time Reserves to Overloaded Lives by Richard A. Swenson, M.D.