When two sisters fall into an abandoned mine, they're led to safety by their grandfather, who then suddenly disappears! When the girls return home, they learn that their grandfather died hours before their rescue...

A boy's parents buy an antique desk and put it in his bedroom. But the boy soon discovers that the desk is haunted, and he plunges into a night of sheer terror...

No one can fully explain these events. But in this spine-tingling book, you'll encounter these and many more.