Certified Ghost Researcher Course is the embodiment of Drs. Dave and Sharon Oester's twenty four years as ghost researchers and was the basis for the home study course, conducting more than 1,500 field investigations and recorded over 5,200 EVPs. They have accumulated over nine thousands ghostly photographs and over 1,000 EVPs on their web site. They share all of their knowledge and understanding so the reader can become a more efficient ghost hunter...