The Unicorn's Secret

In what PW called a ``spellbinding sociological/true-crime study,'' Levy tells of Ira Einhorn, counterculture spokesman in Philadelphia, who was arrested in connection with the death of one of his disciples, Holly Maddux; her mummified body was found in Einhorn's closet. The guru skipped bail, presumably fled the country and is still at large. Photos. (Jan.)