NATHANIEL BRANDEN is the author of many books on self-esteem including the perennially best-selling The Six Pillars of Self-Esteem (1995), A Woman's Self-Esteem (Jossey-Bass, 1998), and Self-Esteem at Work (Jossey-Bass, 1998). He is also the author of the memoir My Years with Ayn Rand (Jossey-Bass, 1999).