I Know You Really Love Me: A Psychiatrist's Account of Stalking and Obsessive Love
Obviously this is about stalking, specifically a condition called erotomania where a person believes another person is in love with him/her when they are not. One account has to do with a guy working in a lab and he thinks a female employee is stalking him.
This guy gets desperate to find out if it is her, so he breaks into her house and in her bedroom he finds...get this...
Her bedroom is an exact to scale replica of his bedroom right down to the colors, type of bed, books in the room, photos...everything!