Here's a couple:
Teaming with Microbes
Teaming with Nutrients
The New Organic Grower: A Master’s Manual of Tools and Techniques for the Home and Market Gardener (A Gardener’s Supply Book)
The One-Straw Revolution: An Introduction to Natural Farming
Biological Farmer: A Complete Guide to the Sustainable & Profitable Biological System of Farming
Vermiculture Technology: Earthworms, Organic Wastes, and Environmental Management
Worms Eat my Garbage by Mary Appelhof
Sepp Holzers Permaculture: A Practical Guide to Small-Scale, Integrative Farming and Gardening
Rodales Ultimate Encyclopedia of Organic Gardening
What a Plant Knows - Daniel Chamovitz
The Biology of Soil: A Community and Ecosystem Approach (Biology of Habitats) – Richard D. Bardgett
P-