The Wheatgrass Book

by Ann Wigmore

Avery Publishing Group
Paperback - September 17, 1987

Wheatgrass Nature's Finest Medicine: The Complete Guide to Using Grass Foods & Juices to Revitalize Your Health

by Steve Meyerowitz, Robert Ross, Michael Parman, Nancy Flaxman

Sproutman Publications
July 31, 1999

Wheatgrass : Superfood for a New Millennium

by Li Smith, Richard Smith

Vital Health Publishing
Released: 15 April, 2000