Summary:

• **The Moon Rock Detective** - Joe Gutheinz is a special investigator who hunts for stolen moon rocks and space artifacts. He works to catch people who illegally sell these precious samples that astronauts brought back from the Moon, and he returns them to museums where scientists and the public can learn from them.

• **Why Moon Rocks Matter** - Moon rocks are extremely valuable to science because they help us understand how the Moon formed and what it's made of. When these rocks are stolen and sold on the black market, scientists lose the chance to study them and learn important secrets about our solar system.