Signal in the Dark

TALE OF THE WITCH DOLL THE VANISHING HOUSEBOAT DANGER AT THE DRAWBRIDGE BEHIND THE GREEN DOOR CLUE OF THE SILKEN LADDER THE SECRET PACT THE CLOCK STRIKES THIRTEEN THE WISHING WE...

Scarcely knowing how or where to begin, she ran toward the burning building. One of the smaller storage structures of the factory, it was not connected with the main office. The...

Though she would not have confessed it even to herself, Penny was reluctant to meet her father at dinner time. He might not ask questions, but his all-knowing, all-seeing eyes w...

Disappointed, she started to turn back when she noticed a light burning in the photography room. At this hour she knew no one would be working there, unless Salt Sommers or one...

At Penny's expression of doubt, Mrs. Leonard added: "It really works too! The first night the professor came here, he exploded a mine out in the lake. Such a splash as it made!...

The following morning she took time from her work to seek the photographer. He was in the darkroom, but the door was open. As she stepped inside, he whirled around, his face sta...

Penny was tempted to ask the man if he considered it patriotic to try to obtain control of a machine in the hope of selling it to the government at a high profit to himself. But...

"Probably to give Webb time enough to work on the mine or exchange them," Penny said, and then frowned thoughtfully. "But what if the machine actually should work? After all, th...

"We can do nothing now. He had begun to catch on even before tonight, and this explosion finishes everything. Don't even stop to pack your clothes. We'll get our car and clear o...

The noise was not repeated a third time, but Captain Bricker had heard enough to make him believe that someone remained below. Drawing his revolver, and warning Penny to keep ba...