New York City

The setting of the novel, where the major action takes place.

Atlanta, Georgia

Where Mac normally lives; Caitlin agrees to move here with him.

Toledo, Ohio

Neil/Buddy's hometown.

Letters

The means by which Buddy threatens Caitlin.

Cancer

The disease that took the lives of both Buddy's mother and Mac's former girlfriend, Sarah.

Cooking

The activity through which Mac and Caitlin bond.

War Room

The term for the room at the police station where the detectives keep photos and post important data on the walls.

Police Station

The locale for the detectives' work; also where Neil/Buddy works.

FAO Schwartz

A toy store where Caitlin initially wants to take Mac, but becomes too scared.

Convenience Store

The scene of one of Buddy's murders.

Diner

The place where Neil/Buddy sees the prostitute resembling Caitlin.