Whodunit? (A Pact with Demons, Story #9) - A Pact with Demons Stories, #9

Almon Campbell races to the finish line. He will finally uncover the ultimate demonic mystery. The truth behind the truth. So close to the final revelation, he stands at a crossroads. Should he walk down the darkest path? Who will he become? Cozy mysteries in a paranormal world. A Pact with Demons investigates uncanny tales with heart and danger. In a world where cats talk. And darkness lurks everywhere.
Why do lost hearts sell their souls to demons?