Perched on the perilous brink of that curving wall of rocks, with its low, irregular, patched and weather-beaten roof, and its rough-boarded and storm-beaten walls half hidden in a tangle of vines and bushes, the little hut looks, from a distance, as though it might once have been the strange habitation of some gigantic winged creature of prehistoric ages. The place may be reached from a seldom-used road that leads along the steep hillside, a quarter of a mile back from the edge of the precipice, but the principal connecting link between the queer habitation and the world is that flight of rickety wooden steps. Taking advantage of an irregularity in the line of cliffs, the upper landing of the stairway is placed at the side of the hut. In the rear, a small garden is protected from the uncultivated life of the hillside by a fence of close-set pickets. Across the front of the curious structure, well out on the projecting point of rocks, and reached only through the interior, a wide, strongly railed porch overhangs the sheer wall like a balcony. With fast-beating hearts, the two small adventurers gained the top of the stairway. Cautiously they looked about--listening, conferring in whispers, ready for instant, headlong retreat. The tall grasses and flowering weeds on the hillside nodded sleepily in the sunlight. A bird perched on a near-by bush watched them with bright eyes for a moment, then fearlessly sought the shade of the vines that screened the side of the hut. Save the distant, droning, moaning voice of the Mill, there was no sound. Calling up the last reserves of their courage, the children crept softly along the board walk that connects the landing of the stairway with the rude dwelling. Once again they paused to look and listen. Then, timidly, they took the last cautious steps and stood in the open doorway. With big, wondering eyes they stared into the room. It was a rather large room, with a low-beamed ceiling of unfinished pine boards and gray, rough-plastered walls, and wide windows. A green-shaded student lamp with a pile of magazines and papers on the table caught their curious eyes, and they gazed in awe at the long shelves of books against the wall. Opposite the entrance where they stood they saw a strongly made workbench. And beneath this bench and piled in that corner of the room were baskets--dozens of them--of several shapes and sizes; while brackets and shelves above were filled with the materials of which the baskets were woven. There was very little furniture. The floors were bare, the windows without hangings. It was all so different from anything that these children of the Flats had ever seen that they felt their adventure assuming proportions. For what seemed a long time, the boy and the girl stood there, hesitating, on the threshold, expecting something--anything--to happen. Then the lad ventured a bold step or two into the room. His sister followed timidly.