Mystery At Potter's Lodge: The 23rd Murray Barber P I Case

Murray is a private investigator with a difference, he can hear the dead speak! Along with his friend Jeff from C.I.D. and the 'late' Jake, Murray solves a number of cases.
Life turns darker when Murray tries Letter Boxing on Dartmoor. Potter's Lodge, quaint B & B or haunted murder hotel? Disappearing people, threatening letters, an old Mini and Jake's endless sarcasm... can Murray survive again?