Book excerpt: Meet Earth's best friend, Mike O'Rhiza, who explores the world beneath your feet in a new and fascinating way. This fun-loving and friendly fungi is created by Dr. Mike Amaranthus, a world-renowned soil scientist. Linda Woodrow-Gray's illustrations bring home the fun and adventure of living and working in the soil with Mike O'Rhiza (or as scientists call him, mycorrhiza). Mike O'Rhiza's underground adventures as a parent, miner, wizard, internet expert, conductor, carpenter, policeman, explorer, doctor, and a plant's best friend will enchant children of all ages.