David Coleman is the David Attenborough of the Rhizosphere, exploring the upper layer of the ground on which we tread, the ground all of us tread. His expertise has taken him, quite literally, around the world, from New Mexico to New Zealand, from Stockholm to Saskatchewan. Root with him in the soil of his life, ride the rails, enjoy the experiences of a soil pioneer and heed his call for responsible stewardship of the planet we all occupy. This...