Jeff Lowenfels is author of the acclaimed quadrilogy known as The Teaming Series" (specifically: "Teaming with Microbes, The Organic Gardener's Guide to the Soil Food Web", "Teaming with Nutrients, The Organic Gardener's Guide to Optimizing Plant Nutrition", "Teaming with Fungi, The Organic Growers Guide to Mycorrhizae" and "Teaming With Bacteria, The Organic Gardener's Guide to Endophytic Bacteria and The Rhizophagy Cycle."