"Watch me." Sheldon marched next door. He knocked precisely three times. Brenda Sparks, their chain-smoking, world-weary neighbor, opened the door. Behind her, chewing on a pencil, was her son, Billy.

"Billy Sparks," Sheldon declared, pointing a finger. "Return the nocturnal raptor."

"Someone has violated the sanctity of my science project," he announced to the empty room.

The "Tiger Mom" had arrived.

Brenda blew a plume of smoke over Sheldon's head. "Now, you listen here, you little freak—"

Mary sighed. "You can't just accuse someone."