"Of course you can't see!" interrupted Stoddard. "But look at this!"
As he spoke, he drew from a pocket of his leather jacket something that caught the last light of the dying day and refracted it with weird brilliance.
Professor Prescott blinked.
"Well?"
"A diamond. As big as your fist! And here's another!"
His left hand reached into his jacket and produced a second sparkling gem.
"But—but I don't understand—"
"Granted. But you will, when I tell you I've found the Diamond Thunderbolt!"
The professor gave a shrug of scorn.
"And no doubt you've seen the snow people and have had a perfect afternoon, while—"