"The astonishing thing was the discovery of giant crabs whose legs spread over six feet across."

"Nonsense," Dr. Gostan's voice yelled from the crowd. "No crab can grow that big."

The curtain moved to reveal an immense crab mounted on a rough hatchway, threatening the crowd with its pincers. On the other side a preserving jar held another even larger specimen. The crew had brought them back along with the rudder from the derelict ship. Pentam had given them bonuses and thanked ...