On the floor among the straw sat a little boy of between eight and nine years old, gazing with rapturous delight into the rafters of the roof. Following the direction of his eyes, Lilian glanced up, and beheld a sight which made her gasp with horror. The barn was a very large one, and was spanned by a great cross-beam, which ran across the whole length from one end to another. Mounted on this, fully fifteen feet above the ground, a small girl was slowly walking along, her gray eyes bright with excitement, her brown curls flying in wild disorder, and her arms stretched out on either side to balance herself as she went on her perilous journey.