A slight wisp of smoke rose from the cage and the guinea pig vanished before the Master Spy's eyes.

Indeed, the only sign that anything had happened was a slight wisp of smoke curling past the hinges.

A slight wisp of fear penetrated her haze of power, and she opened her eyes.

Their eyes, fixed on each other, failed to note the slight wisp of vapor that was filtering out of the jammed ventilator opening.

A slight wisp of air entered the room.

A slight wisp of smoke came from the back of the man's hair where the flames had scorched him.

Renata, with all her extended perception, could not see the slightest wisp of smoke, but she did not doubt that he saw it.

She watched him with no emotion except the slightest wisp of a smile.

Dripped along a thin, heated wire it produces the slightest wisps of "nontoxic bright white smoke," Dr. Thomas said.

His lungs seemed to collapse; he could not draw the slightest wisp of breath.