He shuffled up the driveway, skirting the invisible house very carefully and not once taking his eyes off the empty space. The fat man hesitated; then he lumbered along in Ellery’s tracks. Thorne stumbled back to the porch and Keith strode off, disappearing behind the White House.

There was no sun now. A pale and eerie light filtered down through the cold clouds. The snow continued its soft, thick fall.

They looked like dots, small and helpless, on a sheet of blank paper.

Ellery pulled open the folding doors of the garage and peered. A healthy odor of raw gasoline and rubber assailed his nostrils. Thome’s car stood within, exactly as Ellery had seen it the afternoon before, a black monster with glittering chrome-work. Beside it, apparently parked by Keith after their arrival, stood the battered Buick in which Dr. Reinach had driven them from the city. Both cars were perfectly dry.

He shut the doors and turned back to the driveway. Aside from the catenated links of their footprints in the snow, made a moment before, the white covering on the driveway was virgin.

“Here’s your broom,” said the giant. “What are you going to do — ride it?”

“Hold your tongue, Nick,” growled Dr. Reinach.

Ellery laughed. “Let him alone, Doctor. His angry sanity is infectious. Come along, you two. This may be the Judgment Day, but we may as well go through the motions.”

“What do you want with a broom, Queen?”

“It’s hard to decide whether the snow was an accident or part of the plan,” murmured Ellery. “Anything may be true today. Literally anything.”