The XYZ Mystery

Set in 1939, two young boys, Sam and Howie, embark on a thrilling adventure as they explore a decaying house on their grandfather's farm. Their discovery of metal tools marked with X Y Z leads them to a hidden underground room containing a skeleton and a metal box filled with clues. As they unravel the mystery, they uncover an illegal moonshine operation and a stolen naval map sought by the enigmatic Dr. I. Yanky. With danger lurking from two mysterious men, the boys must race against time to solve the X Y Z mystery.