They All Ran Away, by Edward Ronns (epub/Kindle/pdf)
They All Ran Away—
Except Malcolm Hunter—the busiest body in town... And Evelyn, his lady—trapped by her dishonest millions and a taste for men alive... And lovely Ferne—a girl unfaitheful unto death, who coveted life...
Barney pursued them. He chased them through a labyrinth of horrors into the borrowed arms of a woman with a wrongway heart. For Barney’s task was to smash a killer’s grip on justice, and break a crime that meant murder for sale!