"Murderer's Vanity" by Hulbert Footner is a crime novel that follows the famed Amos Lee Mappin, an author who seems to solve more crimes than he writes about. When he gives a radio interview that catches the attention of a would-be killer, a deadly game of cat and mouse begins. Will someone catch on that a new psychopath is on the loose? Only Mappin's wits are set to be a match for such horror and cruelty and put it to an end.