Andrea Talbot travels back in time and finds herself up in a dangerous underground adventure in the infamous tunnels under Moose Jaw.

The New York Times Bestseller! The story of an outcast boy, his eccentric dad, and the scary underground world they discover through secret TUNNELS.14-year-old

Andrea goes back to Moose Jaw, and back to the tunnels of the past, this time to help break up a theft ring made up of some surprising criminals.

Andrea has to go back to the Moose Jaw tunnels to rescue two of her friends who have fallen into the hands of those who exploit immigrant workers.

Andrea and her brother Tony are back in the tunnels, coming face to face with a new tyranny known as the Ku Klux Klan.