I gathered a half dozen fist-size rocks and squeezed them into the hole.

The pocket bulged with a bottle of Bayer aspirin and with a jagged, fist-size rock wrapped in a yellow cotton cowboy hand-kerchief.

Then there's the debris- everything from fist-size rocks burning at .2 or .3 C to the drifting hulks of wrecked ships.

The Parson picked up a fist-size rock and hurled it against the cube.

With a similar slowness the Mouser drew out the fist-size rock he had picked up several ledges below for just such a moment as this.

He scrabbled through the snow with fingers stiffened by the cold and found a fist-size rock that was slick with ice.

Our first throw dropped half a ton of fist-size rocks directly on top of one of Zedar's engines.

She hefted the thing, which seemed to contain a fist-size rock.

Each year, scientists estimate, a ton of fist-size and larger rocks from Mars land on Earth, and of those, a few make the trip quite quickly, in as little as one year.

He picked up a fist-size rock which had fallen from the ceiling and stood waiting.