Read "The Secret of the Caves" by Franklin W. Dixon online for free on Textopian. Full text with search, annotations, highlights, and AI-powered reading aids.
To Frank Hardy's unbounded astonishment, the explosion was followed by a white cloud that rose from the barrel of the shotgun. It was not smoke, and although Captain Royal had aimed the gun directly at him, he found that he was uninjured.
The white cloud was flour!