The earthworm may be small, spineless, and blind, but its role in the ecosystem is profound. It tills the soil, destroys microscopic organisms that cause plant disease, breaks down toxins, and turns soil into rich compost, creating the most fertile areas on earth. This title shows just how much depe...

The earthworm may be small, spineless, and blind, but its role in the ecosystem is profound. It tills the soil, destroys microscopic organisms that cause plant disease, breaks down toxins, and turns soil into rich compost, creating the most fertile areas on earth. This title shows just how much depends on the humble worm.