The Folded Paper Mystery

"The Folded Paper Mystery" by Hulbert Footner is a mystery book that follows Fin Corveth as he investigates the robbery of an emerald locket that's been stolen from his friend Nick. However, what starts as just a simple case of stolen property turns into something much more sinister when murder soon follows. Even Nick's ward, Mariula, can't seem to escape the dark cloud that envelopes them. It's then that mystery writer, Amos Lee Mapin, is brought onto the case.