"No clue," Ms. Colon said when asked why the fire door stayed open and all but one sprinkler valve shut.

We also know that the clue on the monkey's paw said to come to this park.

Well, clues of sorts,' she said, still trying to reassure herself that Teddy had merely fallen off.

"A tantalizing clue to more artifacts," he said quietly, still staring into the distance.

No clues to say where the woman came from, no match with anyone on their missing persons list.

"Another clue on our journey, then," he said.

This time not a single dead otter was found - a clue, he said, that "something really weird was going on."

"Oh," said Tas, looking wise, although he hadn't a clue what a lyceum was.

'Absolutely the only clue,' said Colin, beginning to eat his roll and tomato at last.