The Ways of Ghosts -- Present at a Hanging -- A Cold Greeting -- A Wireless Message -- An Arrest -- Soldier-Folk -- A Man with Two Lives -- Three and One are One -- A Baffled Ambuscade -- Two Military Executions -- Some Haunted Houses -- The Isle of Pines -- A Fruitless Assignment -- A Vine on a House -- At Old Man Eckert's -- The Spook House -- The Other Lodgers -- The Thing at Nolan -- The Difficulty of Crossing a Field -- An Unfinished Race -- Charles Ashmore's Trail -- Science to the Front