I second You Can Negotiate Anything by Herb Cohen and Getting Past No by William Wry.Roger Dawson is also an excellent author to check out. :)

The banking industry and wall street created "VAPOR PAPER" that had no intrinsic value.

Last year my wife's mother was fighting breast cancer stage 3 but this year we can all get together instead of her being sick as she is in remission.

Technically you should use a product such as stego mastic then cover it with stego wrap (a vapor barrier plastic sheeting that is basically rip proof) This must be from the top to the bottom and it will not be cheap.

What about the vapor barrier

Vapor barrier is ok as long as you realize that is what it is.

I would not want her being grandma's caretaker though.

- both by Herb Cohen and both are awesomeMy Life & 1000 Houses (I read all 396 pages in one sitting)Cash Flow Quadrant - also by Robert Kiyosaki.Any book by Roger Dawson or John Schaub

.- Asphalt Roofing Manufacturer's Association "strongly advises caution when considering the application of any type of field applied coating over installed asphalt shingles," due to possible shingle curling/warping and possible vapor barrier may cause premature failure of roof decking.- Some shingle manufacturer's specifically state that coating will void the warranty.  

You must ventilate otherwise you will condensate water vapors in this space.