Hubbard, L. Ron , Scientology 8-80 : the discovery and increase of life energy in the genus homo sapiens the discovery and increase of life energy in the genus homo sapiens Scientology eight-eighty . - Copenhagen: New Era Publishing, 2007 . - 199 p.: 24 cm. Includes index ISBN: 9788779897496 Dewey Class. No.: 299.3 HUB