Start with high-confidence social class books, then narrow by subgenre or adjacent topics.
English Society in the 18th Century
Roy Porter
How the Other Half Eats
Priya Fielding-Singh PhD, Priya Fielding-Singh
Dopesick
Beth Macy
Poverty, by America
Matthew Desmond
The Colonizer and the Colonized
Albert Memmi, Jean-Paul Sartre
Winners Take All
Anand Giridharadas
Mill Town
Kerri Arsenault
Fair Food
Oran B Hesterman
Joyful Militancy
Carla Bergman, Nick Montgomery