Hi danrom,I doubt your question has a one or two book "answer all" solution.Your success at diggin "treasure " will depend mainly on one thing. "History", either earlier or later for the new or old, but your diggin "stuff".had to have someone there at sometime to produce the goodies you seek. Improve and open up your "sense of history" to all new areas.. Internet is great, but if you have a local Library, start there. Hopefully,your library will have a (Local) History and Genealogy section. If so, there will be many, varied and interesting books that will reveal many of those secrets that a successful digger will need to become more successful.The "Research Dig" is the heart of any productive "Dirt dig" . It also opens up your perspective and allows you to be intune to those possibilities you may overlook.or even have no interest in. A few trips to the Library and you will find that you will be more keenly aware of of your surroundings(past and present) and the process(history) that brought them all about..All that is just another part of what makes "Detecting" such a great hobby. And always remember, it is supposed to be about having fun and enjoyment, so don't sweat the "dry runs",enjoy them! Thank God you are able! Better runs will come! HH, Charlie