In which the great Mediterranean civilizations of the late Bronze Age collapse virtually overnight due to some mysterious visitors, and Ken knows a lot about white broccoli. Certificate #9795.
In which an ancient linguistic and religious practice becomes a jaunty, ambulatory musical form before falling into decline, and John does not want to see condors in a hospital. Certificate #45133.
In which centuries of sterilization-happy doomsayers fail to predict a game-changing revolution in wheat, and Ken thinks Pakistan wants John to clean out his fridge. Certificate #2037.