The Ghost Meter EMF Sensor by Alternative Tech International http://www.amazon.com/gp/product/B000ZH7G1E?ie=UTF8&camp=1789&creativeASIN=B000ZH7G1E&linkCode=xm2&tag=alvinwriter-20
P-SB7 Spirit Box ITC Research Device – 2015 Version – FM/AM equally balanced -Noise Cancellation http://www.amazon.com/gp/product/B00AEYS74I?ie=UTF8&camp=1789&creativeASIN=B00AEYS74I&linkCode=xm2&tag=alvinwriter-20
Ghost Hunting for Beginners: Everything You Need to Know to Get Started Kindle Edition by Rich Newman http://www.amazon.com/gp/product/B005LHO7Z6?ie=UTF8&camp=1789&creativeASIN=B005LHO7Z6&linkCode=xm2&tag=alvinwriter-20
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