A professional welder and metal fabricator in the mid-1980s, Wilma Keppel switched to grid beam in 1995. “I am interested in anything that works exceptionally well — whether grid beam, regenerative land management, or mental performance.” She writes on environmental topics and is a site editor for ManagingWholes.com. Since 2003 Wilma has done research in practical psychology — real things we ordinary people can do to improve our lives. She teaches life enhancement and mental performance skills through Peak Performance Preparation in Oakland, California.
How to Build With Grid Beam
Original price was: $29.95 USD.$19.45 USDCurrent price is: $19.45 USD.
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