"Uh-uh." He shook his head as they walked back to the broken remains of the Havelock. "That was no accident."
He pointed to the little hill. "That hasn't got a slope of more than ten degrees, honey. It couldn't have been an accident. The rock never could have gathered so much momentum on that hill."
"Not an accident?"
"No. Someone—something—pushed that rock."
The boulder was unmoving now, fifty yards from the scrap heap which had been the Havelock Cruiser.
Marcia said, "Someone pushed that? It's as big as the ship, Burt. It weighs five tons if it weighs an ounce. Maybe in this slight gravity—"
Burt shook his head. "Even that wouldn't account for it. That rock was pushed."
Marcia clung to him, shuddering. "Burt, let's get the children and leave this place!"
He nodded, and he was about to call Johnny, when something bounded high into the air over the horizon, then floated down, gently. "Johnny!" Marcia cried.
"He's detached his equalizer," Burt said. "That crazy kid—"