Rusty and her brothers have come to Deep Hollow for their winter vacation. They have fun sledding, skating, and ice boating. But they soon discover that something very mysterious is going on. First there are puzzling lights, then those shivery words about blood. Then, too, how could the ice boat disappear so suddenly? Condition is Acceptable: This used book shows wear to edges and cover, creases to cover and spine, writing inside. See photos for condition.