Hubbard, L. Ron, Dianetics 55 : the complete manual of human communication the complete manual of human communication Dianetics fifty-five! . - 12th ed. - Copenhagen: New Era Publishing, 2007. - xiv, 174 p.: ill.; 24 cm. Includes bibliographical references (p. 247-257) ISBN: 9788779897526 Dewey Class. No.: 299.3 HUB