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.
Frank Hardy wasted no time.
The motorcycle had been stolen. There was no doubt of that. That it had been stolen within that past five minutes, he knew. When the boys were coming out of the water he thought he had heard the clatter of a machine, but at the time he had paid no attention to the sound, thinking it came from the main road.