Just Plane Spooked

Just Plane Spooked is the first story of Scooby-Doo, Where Are You? issue 18 by DC Comics.

Premise
Who would you want to solve your mystery: Scooby-Doo's nose - or high-tech ghost-hunting equipment? When both are put to the test to find out what's been haunting the old silk mill, you can only imagine who wins (even though he might not want this prize).