By John Glatt. "Chilling True Stories Of Twins, Killing And Insanity." This compendium of dastardly duos covers, among others, Jeff and Greg Henry, Jean and Jane Hopkins, and the Drs. Marcus.
Looks like someone might have toted this PB to the beach or pool: the expected edgewear is present, a few water-wavy pages, and a weakish front hinge. Still, it'll get the job done.