Yes I think is that...but books? Why? I mean...there should be like 100 tutos on youtube
This is not a trick by David Blaine. It`s an old classic made popular by Paul Curry in 1942 (can be found in Paul Curry's "Worlds Beyond", which is still in print).
Some methods for this trick are even older and mentioned in F.W. Conradis book "Der Moderne Kartenkünstler" in 1896.
Interestingly, Dai Vernon called this the "trick of the century".
I have nothing against David Blaine, I actually like what he does.
The problem with these youtube-tutorials is that people get misinformed, because 99% of these are done by people with little or no experience and background (Parasites).
And these misinformations are like a pandemic virus. This is bad in my opinion, very bad.
I don`t care whether people learn it the wrong way or not on youtube, I just hate when misinformation is spread, or parasites getting credit for things they have stolen.
False crediting or no crediting at all, and no respect for the work of others.
Instead, reading books would offer a much, much better foundation and information about different tricks. Although I think it`s sometimes very amusing how you can fool people with concepts and tricks that they think are new (because they haven`t seen on youtube), but are more than hundred years old.
Choose your teachers wisely. If a book a not an option (why limit yourself...a book is a good addition), watch videos made by magicians with background, knowledge and integrity.
I personally don`t think there is a best trick. Just tricks that play better for some people, situations and audiences, and tricks that are better suited for other people, situations or audiences.