Who published a book in 1962 about the rundown and hidden communities of country?

The book you're likely thinking of is "The Other America: Poverty in the United States" by Michael Harrington, published in 1962.

This book was highly influential in raising awareness about poverty in the United States, particularly in hidden and forgotten communities. It played a significant role in shaping the social conscience of the nation and ultimately contributed to the War on Poverty initiative launched by President Lyndon B. Johnson.