Some one was moving in the parlor that separated the two bedrooms.

An instant after awakening Harry slipped off the bed, then stole toward the next room.
In the darkness he made out a moving figure.

Like a panther Harry sprang, landing on the all but invisible figure.
"Now, I've got you!" Hazelton hissed, wrapping his arms around the prowler.
"And small credit to you," drawled Tom's dry voice.

"Hist!" "What's up ?" demanded Hazelton, dropping his voice to a whisper.
"You and I are." "But what's the matter ?" "I couldn't sleep," Tom whispered.
"You--troubled with nerves!" gasped Hazelton.
"Not just the way you understand it," returned Tom.

"But I was thinking, thinking, and I sat by the window yonder.