When the Boxcar Children uncover a strange puzzle in a friend’s backyard, it’s just the beginning of the “spy game”—a search for clues leading to gold! The children must make sense of a mysterious old photo and a riddle. But soon the children begin to suspect that there’s a mystery inside the mystery. Just who is behind this spy game, anyway?
Description:
When the Boxcar Children uncover a strange puzzle in a friend’s backyard, it’s just the beginning of the “spy game”—a search for clues leading to gold! The children must make sense of a mysterious old photo and a riddle. But soon the children begin to suspect that there’s a mystery inside the mystery. Just who is behind this spy game, anyway?