If Supreme Court justice Sonia Sotomayor has a fan club, you could have found its members on Saturday afternoon at El Museo del Barrio on Fifth Avenue and 104th Street.

Ms. Sotomayor was in town to promote her new book, My Beloved World, a candid memoir about her path from a childhood in the Bronx as the daughter of first-generation Puerto Rican transplants to being appointed to the Supreme Court. The book is an intimate look at Ms. Sotomayor’s youth—battling Type 1 diabetes, her father’s alcoholism and early death, poverty and language barriers—and her early adulthood at Princeton and then Yale Law. Read More