When 14-year-old Will Burrows goes looking for his missing father, he discovers an underground world that time forgot. Ruled by a brutal class called the Styx, "The Colony" has not changed in a hundred years. Into this dark and mysterious place go Will and his friend Chester, unsure what they will find and oblivious to the dangers ahead. Before long their extraordinary adventure unearths a terrible secret - one that may cost them their lives.

Hailed as the next big thing in fantasy literature, Tunnels grips the imagination while making listeners think twice about the ground beneath their feet.