Hunted: Survival in the sewers - The Hunted Series, #2

A daring escape - a dangerous roadPursued and alone, Bilby and Essy must leave the safety of the natural world and head into the world of humans. Befriended by some unlikely allies, they learn more about their past, and where they need to go to secure their future. But their enemy is in hot pursuit, and time is not on their side.