Dan A. Davidson has revised and re-released his 1997 edition in 2021 into what is said to be a very valuable book. The first edition is quite expensive with costs in some places in the several hundreds of USD range, but his new second edition can be purchased here for about $50 with shipping:
- Aetheric Energy Physics of Dan A. Davidson's Shape Power
- Research and books: Dan A Davidson - Natural Philosophy Wiki
Here is Dan Davidson's 1998 presentation "Shape Power, Key to Unlock Free Energy/Anti-Gravity" at the Exotic Research Conference.
Dan presenting at the 2001 KeelyNet Conference, June 16, 17 in Dallas, Texas his presentation "Shape Power & Gravity Resonance Phenomenon":
Another presentation in 2004 titled "Shape Power as Universal Resonance" t the Tesla Technology Conference:
At the 2006 Extraordinary Technology Conference Dan presents "Anti-Gravity Effects in Nature":
It appears that there may be some questionable copies of the FIRST EDITION of the book floating around as well, such as this on Archive.org: