Jon's Mom couldn't miss the awful crashing sound that came from her living room as she was gardening. Stepping back into the house, she found a massive boulder laying in the middle of the room, surrounded by debris from the room above.
"What on earth...?" Joan mumbled. She climbed the stairs to Jon's room and saw that the large hole where it had fallen through, but there was not damage to the roof, walls or windows of her son's room - so how had this great big rock gotten there?
It was obviously way to heavy to move by herself, so Joan picked up the telephone and called...