"Unoccupied and unsupervised while mother is working, the children of widowed crime writer Marion Carstairs find diversion wherever they can. So when the kids hear gunshots at the house next door, they jump at the chance to launch their own amateur investigation--and after all, why shouldn't they? They know everything the cops do about crime scenes, having read about them in mother's novels. They know what her literary detectives would do in such...

ATAC briefing for agents Frank and Joe Hardy. Mission: Investigate the murder of Evan Davis, a runaway teen who was pushed off a subway platform. Location: New York City. Potential victims: Other teens living at the Haven, a shelter for runaways in the city. Suspects: Everyone from another resident of the shelter who ended up with Evan's jacket to Evan's own dad, a politician who wanted to keep his son a secret.