"It is spirits!" cried Koku, as he saw himself depicted.
"I wish we had some of the other pictures to show," spoke Tom. "I mean some unexpected midnight visitors."
For several nights in succession the camera was set to "snap" any one who might try to enter the shop. The flashlights were also in place. Tom and Ned, the latter staying at his chum's house that week, were beginning to think they would have their trouble for their pains. But one night something happened.
It was very dark, but the snow on the ground made a sort of glow that relieved the blackness. The camera had been set as usual, and Tom and Ned went to bed.
It must have been about midnight when they were both awakened by hearing the burglar alarm go off. At the same time there were several flashes of fire from the garden.
"There she goes!" cried Ned.
"Yes, they're trying to get into the shed," added Tom, as a glance at the burglar-alarm indicator on the wall of the room, showed that the shop door was being tried. "Come on!"
"I'm with you!" yelled Ned.
They lost little time getting into their clothes, for they had laid them out in readiness for put-
