When Clyde Eddy first saw the Colorado River in 1919, he vowed that he would someday travel its length. Eight years later, Eddy recruited a handful of college students and loaded them, a hobo, a mongrel dog, a bear cub, and a motion picture camera into three mahogany boat, left Utah and headed California. Forty-two days later, they were the first to successfully navigate the river during its annual high water period. This book is the narrative of that foolhardy and thrilling adventure.