Neuro Linguistic Programming - Yes it sort of works - but it is not a "read, learn and forget" system - You have to follow extensive repetitive procedures for a LONG time. (the rest of your life) Paul McKenna does the same stuff - as do all the "Self-help books" - don't spend a lot of money on stuff you can have from multiple sources.
Here's another practitioner you may have heard of ;
This one is great for showing you what we do wrong (and therefore how to do it right)
Some of the reasons the human mind is so fallible and our decisions so bad;
Behavioural Economics is a valid subject for study, but I don't have a book to recommend - Mine was written by Thaler, but I can't find it on Amazon or lay my hands on my copy atm. (It is NOT the "Misbehaving" one - that is quite disappointing.
Then there's this one - which actualy explains how the "Monetary System" really works ; It will blow your mind and sadly it is true !
Amazing book - I thoroughly recommend - It contains the only convincing explanation of "The business cycle" I have ever found and his expose of the origin of the wealth of the "Rothschilds" is very interesting. It also explains why organisations such as IMF are totally destructive to third world economies (And don't care ! ) - The explanation of the title - is scary !
Oh and back to "strictly on topic", here's one I am reading just now ;
There's an awful lot of peripheral stuff which affects our trading !