"Diversity Explosion: How New Racial Demographics Are Remaking America" by William H. Frey is a 2014 trade paperback book published by the Brookings Institution Press. The book delves into the subject of demography, social classes, and economic disparity, exploring the shifts in racial demographics in the United States. With 224 pages, this book offers valuable insights into the changing landscape of America's population, making it a valuable resource for social scientists and anyone interested in understanding the complexities of diversity in the country.