Start with high-confidence organic farming books, then narrow by subgenre or adjacent topics.
Stolen Harvest
Vandana Shiva
The Old Farmer's Almanac Vegetable Gardener's Handbook
Old Farmer’s Almanac, Old Farmer's Almanac
The One-straw Revolution
Masanobu Fukuoka, Larry Korn
The Dirt-cheap Green Thumb
Rhonda Massingham Hart
The Complete Guide to Saving Seeds
Robert E. Gough, Cheryl Moore-Gough
The Encyclopedia of Country Living, 50th Anniversary Edition
Carla Emery
Raised-bed Gardening for Beginners
Tammy Wylie