In a future where alien beings consume technology as a few humans try to preserve it, Strata, her brother, and a friend are separated from their caravan and, with a wonderful robotic horse, must fight their way back.

John Wesley Powell (1834-1902) always had the spirit of adventure in him. As a young man, he traveled all over the United States exploring. When the Civil War began, Powell went to fight for the Union, and even after he lost most of his right arm, he continued to fight until the war was over. In 1869 he embarked with the Colorado River Exploring Expedition, ten men in four boats, to float through Grand Canyon. Over the course of three months, the...