An Exploration of Human Diversity. Cover features The Blue Boys of Zaire who as Kota youths are undergoing a rite of passage from boyhood to manhood. They have painted their faces blue - the color of death-symbolizing transition from childhood to re-birth manhood. (575 Pgs.) VVGAUTHOR: Conrad Phillip Kottak PUBLISHER: McGraw-Hill ISBN: 0070359180 YEAR: 1994 FORMAT: Hardcover EDITION: 6th Ed.