Nancy, Bess and George explore a peculiar house with its fantastically crooked staircase. A bizarre serpent picture, an unpredictable robot, a broken bridge over flaming water and a hidden room with poisoned portraits are among the unusual discoveries found on this strange property. The missing owner, an elusive swindler, is wanted by the police. Nancy is determined to solve the mystery of the weird house and discover its secrets. This book is the original text. A revised text does not exist.