Fungi are unlike any other living thing—they almost magically unique. Welcome to this astonishing world. . . Fungi can appear anywhere, from desert dunes to frozen tundra. They can invade our bodies and live between our toes or our floorboards. They are unwelcome intruders or vastly expensive treats, and symbols of both death and eternal life. But despite their familiar presence, there's still much to learn about the eruption, growth, and decay of their secret, interconnected, world.