The following books are just a few examples of in-depth book-length reporting.
Boo, Katherine. Behind the Beautiful Forevers: Life, Death, and Hope in a Mumbai Undercity. Random House, 2012.
Desmond, Matthew. Evicted: Poverty and Profit in the American City. Crown, 2016.
Ehrenreich, Barbara. Nickel and Dimed: On (Not) Getting By in America. Metropolitan Books, 2001.
Macy, Beth. Dopesick: Dealers, Doctors, and the Drug Company That Addicted America. Little, Brown, 2018.
Wilkerson, Isabel. The Warmth of Other Suns: The Epic Story of America’s Great Migration. Random House, 2010.