Start with high-confidence pressure cooking books, then narrow by subgenre or adjacent topics.
The Instant Kitchen Meal Prep Cookbook
Coco Morante
The Instant Pot Electric Pressure Cooker Cookbook
Laurel Randolph
The Complete Guide to Pressure Canning
Diane Devereaux - The Canning Diva
The Ultimate Instant Pot® Cookbook for Two
Janet A. Zimmerman
The Complete One Pot
America's Test Kitchen, America's Test Kitchen