"I can hear her moving!"
There was a slight noise inside, almost like the clicking of a latch, then all was perfectly silent.
Lindsay could bear it no longer.
"Here goes!" she cried boldly, and flung open the door. To her utter amazement, the room was absolutely empty. Mrs. Wilson had vanished as completely as if she had been a ghost.
CHAPTER VI
Monica
The two girls rushed into the empty room and examined every corner minutely. There was not a trace of any secret exit to be found. The opening through which Mrs. Wilson must have disappeared was evidently marvellously well concealed.
"Where can she be? It's like magic!" whispered Cicely.
"Wherever she's gone, I suppose she'll have to come back," replied Lindsay.