Over the past twenty-five years, Chicano artists have made a unique contribution to public art in California, transforming thousands of walls into colorful artworks that express the dreams, achievements, aspirations, and cultural identity of the Mexican-American community. Signs From the Heart tells the inside story of this new and important American art form in four interpretive essays by noted Chicano scholars about its historical, artistic, and educational significance.

At the time Diego Rivera began painting these murals he was an internationally known artist with his works reproduced in magazines worldwide.