LLessons at the Halfway PointLessons at the Halfway Pointde Michael K. LevineMateriasBiography and autobiographyEdiciones (1)Lessons at the Halfway Point (1995)NewStar Media, Incorporated · inglés · ISBN 9780787103934Más obras de Michael K. LevineAA tale of two transformationsA tale of two transformationsTriangle of deathA tale of two systems