Read "Pioneer Boys of the Gold Fields" by Edward Stratemeyer online for free on Textopian. Full text with search, annotations, highlights, and AI-powered reading aids.
When the doctor arrived at Mark's side he found the youth in a fever. He at once set to work and administered some medicine, and remained at the sufferer's side part of the night and an hour in the morning.
"I feel quite sure he will get well," he said, when he was ready to leave. "But should he have a turn for the worse you had better come for me again."