Start with high-confidence retailing books, then narrow by subgenre or adjacent topics.
The Kingdom of Prep
Maggie Bullock
Killer Stuff and Tons of Money
Maureen Stanton
The Drive-in, the Supermarket, and the Transformation of Commercial Space in Los Angeles, 1914-1941
Richard W. Longstreth
The Secret Life of Groceries
Benjamin Lorr, Blackstone Publishing
The Bookshop
Evan Friss
When Women Ran Fifth Avenue
Julie Satow
Becoming Trader Joe
Joe Coulombe, Patty Civalleri
Why We Buy
Paco Underhill
Grocery
Jonathan Todd Ross, Michael Ruhlman
In Fashion
Sheryl A. Farnan, Elaine Stone
More Than a Hobby
David Green, Dean Merrill