What are Levinson's 4 stages?
Does he think these stages are universal?
What was the last book he wrote?

a. Early adulthood, middle adulthood, late adulthood, old age; Yes; "Seasons of a Man's Life";
b. Childhood, adolescence, adulthood, seniority; No; "The Seasons of a Man's Life";
c. Infancy, childhood, adolescence, adulthood; Yes; "The Developmental Stages of Human Life";
d. Early adulthood, middle adulthood, late adulthood, end of life; Yes; "The Stages of Human Development";