Die drei ??? und der sprechende Totenkopf (Die drei Fragezeichen Hörbücher, #17).

In a thrilling new adventure, Peter and Bob are skeptical of their friend Justus's latest find at an auction – a talking skull. The trio, known for their knack for solving mysteries, soon find themselves wrapped up in an enigma that tests their bonds and their wits. As they uncover clues related to the mysterious artifact, they must confront a series of strange occurrences that lead them deeper into the shadows of their small town.

Their journey is filled with twists and turns that challenge their resolve, and the friends learn that sometimes, things aren’t always what they seem. With a blend of suspense and camaraderie, this installment showcases the legendary detective trio's bravery as they navigate through riddles both eerie and challenging. Together, they must unravel the truth behind the skull and discover whether it's a mere curiosity or something far more menacing.