"Hundreds of prairie dogs pop out of holes scattered across a field of swaying grasses. They have made a complex web of tunnels below the surface of the grassland while above grazers, flying predators, and even little insects benefit from the healthy home prairie dogs helped create. Prairie dogs are vital to their grassland ecosystems, keeping the soil healthy so the rest of life in the environment can flourish. Uncover the truth about this important keystone species, explore how prairie dogs shape entire ecosystems, and learn what's at risk if these little diggers disappear. Approachable text and engaging images bring this timely topic to life"-- Provided by publisher.