Richie Rich Cash #16

In "The Missing Money Mystery," the Riches wake to find their entire fortune vanished—every dollar, coin, and bill gone without a trace. When Mr. Rich pulls out his wallet, the cash inside floats up, slips through the air, and disappears, leaving only a mocking voice echoing through the mansion.

In "The Power of Invisibility," Richie Rich faces a bizarre threat when an invisible criminal demands ten million dollars weekly—or else he’ll kidnap the boy billionaire. Desperate for answers, Richie visits Professor Von Blitz, a reclusive scientist on staff, only to uncover a shocking connection between the professor and the mysterious thief.