The Zone by Barry Sears, New York: Harper Audio, 1998.
A Week in the Zone by Barry Sears, New York: Regan Books, 2000.
Mastering the Zone: The Next Step in Achieving Superhealth and Permanent Fat Loss by Barry Sears, New York: Regan Books, 1997.
The Top 100 Zone Foods: The Zone Food Science Ranking System by Barry Sears, New York: Regan Books, 2001.
Zone-Perfect Meals in Minutes: 150 Fast and Simple Healthy Recipes from the Bestselling Author of the Zone and Mastering the Zone by Barry Sears, New York: Regan Books, 1997.
Zone Food Blocks: The Quick & Easy, Mix & Match Counter for Staying in the Zone by Barry Sears, New York: Regan Books, 1998.
The Soy Zone by Barry Sears, New York: Regan Books, 2000.
The Anti-Aging Zone by Barry Sears, New York: Regan Books, 1999.
The Age-Free Zone by Barry Sears, New York: Regan Books, 2000.
The Official Zone Diet Web site
www.zoneperfect.com
Another Barry Sears-santioned Web site
www.zonediet.com