有声读物: Copper Princess

The Copper Princess: A Story of Lake Superior Mines is an adventure set in the beautiful Upper Peninsula of Michigan. The delightful story features a brave and wholesome hero struggling for his rightful copper mining inheritance against smugglers and bandits. He also encounters a beautiful and mysterious maiden who is caught in her father's secret crimes. [Summary by Brenda Price]

Note: This book contains racial comments that may be offensive to modern listeners.