by Roderick Gordon
* * * * * Stars (Amazing!)
Will, Elliott, and Dr. Burrows are trapped in a world inside ours. Dr. Burrows studies the pyramid that they “surfaced” near. Elliott gathers supplies and watches for any signs that the Styx made it to the underground Utopia. Later they get ambushed by the Styx and the human inhabitants of the world. I liked it because it is a good sequel to the book Freefall from the Tunnels series.