anybody heard of A.D Kessler?

I here him advertising his real estate course on the radio every day.
Just wanted to know if anybody has it and is it worth anything?

thanks!

bump

just buy his $20 book before you decide.

Read this stuff…be careful of the con they talk about.
http://www.foreclosures.com/pages/gurus_to_avoid.asp?gID=20

A.D. Kessler is affectionately termed, the “Godfather of Creative Real Estate”. He is ethical and respected, although he may be a bit dated in his approach.

Da Wiz