Ok... firstly, thanks to all and secondly, when it comes to item specifics, I will give a thumbs up to a few things said... the Sankey materials a both, fun as well as affective when it comes to that "sub-category" mentioned above i.e. "Mental Magic"... for that matter, I just think Jay is a nut case and wish he'd do a tour as Boris...
I also love the note Mandrake quoted... it is exceptionally true and when it comes to "mentalism" the genuine bits of "improvisation" would pertain to the skills of being a solid Reader (and that's according to Corinda himself), Muscle Reading and a combination of psychological skills that include the affective use of Forces/Psychological Commons and other word/language skills including dual reality and anagram-based tactics. This combination will arm anyone with the ability to create Psychic-like miracles. Another asset that most over-look when it comes to this area, are memory skills... I do mean legitimate memory/mnemonic techniques not tricks that replicate such.
As you can see, we are looking at YEARS of study and practice in order to cultivate genuine "Improvisational" skills as a Mentalist. This is why so many of us tend to be overly defensive and take so much offense by people that perceive it all as being little other than "a trick"
It is true, Mentalism is not better than magic it is simply a different mode of performance; a kindred art form just as juggling and ventriloquism are, but not one in the same animal as magic. The psychological paradigms are in contrast to magic if one wishes to create the illusion of legitimacy, which is the key to all modes of Psychic-styled performance whether you are coming off as the real deal or as an expert in body language, NLP or whatever may be the case -- the biggest illusion you create is the mystique around yourself and the idea that you really do know what you are talking about -- you are an "expert" and as such, thanks to assumption and perception, the public invests belief in you... this is what makes mentalism so much different than magic; we invoke belief as mentalist where, as Lee Earle has pointed out countless times, the magician has a "wink-wink" agreement with the audience in that they suspend their disbelief, knowing they are there to be fooled and as such, entertained. In other words, the patrons don't care and understand it's all tricks; when we surrender as performers and allow the public to perceive a mentalism bit as being "another magic trick" we not only devalue that side of the art, but we hurt ourselves in our effectiveness as a showman in that we've ignored the most important and potent tool exploited by the mentalist -- BELIEF!
MENTAL MAGIC on the other hand, contains that previously mentioned "wink" factor. Great examples of this are the Mental Epic, the Dr. Rhine Experiment and thanks to the extremes of commercial greed, the find the sharp object under a paper cup routines as well as metal bending... thanks to the plethora of magicians who have little respect for mentalism in and of itself, many of these things have become "lost" so to speak, and sentenced to an eternal association with corny magic and poorly skilled magic enthusiast.
Let me clarify that last line... Stephan Minch and many before me pointed out how very few magic enthusiast have the level of innate larceny that is required for being a solid mentalist. It is a skill that can be cultivated over time, but it is a solid requirement if one is to achieve greatness within the field. This is one of the reasons why it was seen as "tradition" for may long years, that Mentalism was more of being the proverbial icing on the cake allied to one's career -- an area of deeper "occult" study that the senior mage graduated into in their latter years. The fact of the matter being that most that present mentalism are not "believable" unless they have that touch of grey and obvious maturity... life experience, supporting them. As I've shared many times in the past, I RAN from mentalism when I was in my early 20s because I was good at it but I wasn't yet mature enough to handle the results of being good at it.
Take a look around... if you search the archives of most forums you can readily see how many who started off a year or two ago, all hot and bothered over mentalism, have shifted their focus back to close up, card work, and traditional stage magic. There is a proven reason behind this and it is not because Mentalism is "better" than magic but because it can be more demanding at the psychological and "thespian" levels, than traditional magic tends to be.
You've been given some great suggestions for general resource, I'll add to the list, just for the sake of general insight on Mental Magic, the SYZYGY videos offered by Lee Earle... they are loaded with some awesome routines that are entertainment oriented and perfect add-ins to most traditional magic acts. The Osterlind Easy to Master Mental Miracles videos are, in my opinion at least, a requirement for all new to this field in that it is filled with material many overlook and ignore until they see it presented and though I'm not a huge fan of Richards, I believe this set is of great import.
Subscribe to Elliot Bresler's Billet studies and pick up the Allen Zingg Master Billet Course... I'd also suggest the Millard Longman Acidus DVDs from MEVPROSHOPS... they are a bit expensive but the two methods involved are priceless and really all you'll ever need when it comes to all the peek and cheat drama.
If you know billets you can accomplish god-like miracles at the literal drop of a hat.
If you dedicate yourself towards being an adept at those skills I've listed here, you can can easily start your own religion.
