AL2, It is by Edwards, Magee & Bassetti and a friend who has it says it can be hard to understand, and he calls some of it wishy-washy whatever that means. But he has read it once and skims through it quiet often. He claims the more he applies it the more it makes sense. He paid $350 CAD for it but on Ebay used copies are as low as $50 CAD. I really don't want to go to high for one as my attention span is not to good for deep reading. I would really like to figure the tops and bottoms out tho.