"In 1869, John Wesley Powell led an expedition down the Colorado River.... Fraser places readers in the boats, and does an excellent job of conveying the excitement and dangers of the journey in vivid detail." --School Library Journal, starred review"In 1869, John Wesley Powell led an expedition down the Colorado River.... Fraser places readers in the boats, and does an excellent job of conveying the excitement and dangers of the journey in vivid detail." --School Library Journal, starred review