But from that blackness came a whispered sound: a strange, low laugh.

The boy sat up suddenly and laughed a strange, low laugh.

A strange laugh followed, coming from within the house itself.

In the giant jet there were those who, later, said they had heard a strange low laugh.

He stared at me for a moment or two and then broke into a strange laugh.

Then he felt the quiver of a strange little laugh run through her.

After a moment he looked up, giving a small, strange laugh.

There was silence, then the whisper of a low, strange laugh.

He gave a strange laugh as he and Susan left the room.

The Lu creature gave one of her strange little laughs.