by Jon Klein (Author)
It's 1975, and three young boys stumble onto an abandoned mineshaft in the heart of Pittsburgh, Pennsylvania. Follow renowned archaeologist Peter Hawn and the boys, as they deal with a mysterious device, and the forces desperate to keep it their own.
Number of Pages: 404
Dimensions: 0.9 x 7.99 x 5 IN
Publication Date: October 10, 2018