In 1859, The Great Blondin took the most dangerous tightrope walk of his career--a death-defying walk across Niagara Falls. History and STEAM combine for an edge-of-your-seat read. At the age of four, Jean-Francois Gravelet walked across his first balance beam. Later, he took to the tightrope like a spider to its web and climbed toward stardom. Though his feats became more and more marvelous, he grew bored. That is, until he visited...