Tax Delinquent Property Investing - County Departments Explained

This I consider to be a good precursor to developing a knowledge base for working with government offices when obtaining information necessary for proper investment in tax liens and certificates:

http://bnurl.me/ej

Jack Bosch has certainly been heavily involved in this area for an extended period of time, and I trust his work here.  His site: http://secretlandprofits.com/ is always a great resource, as he imparts his work over the years in an educational format that is easily understood, and comprehensive enough for all investment levels.