Start with high-confidence agriculture & food policy books, then narrow by subgenre or adjacent topics.
Food Routes
Robyn S. Metcalfe, Donna Postel
Food Fix
Dr. Mark Hyman MD, Mark Hyman
Food Fix Uncensored
Dr. Mark Hyman MD, Brianna Bella-Hyman
The American Way of Eating
Tracie McMillan
On Farms and Rural Communities
Jerry Apps