If you have read Ben Mezrich's "21: Bringing Down the House", don't bother with this one - it's virtually exactly the same story line. It is as if the publishers had given him a big advance, he'd knocked this together in a couple of days after spending the money (probably in Vegas, using the "powerful techniques"), and they couldn't be bothered to make him rewrite it, or get their money back.
The writing style would not be out of place in an english essay of a 14 year old, and feels as if somebody has just scattered cliched phrased throughout an already written manuscript, but not bothered to read the rest of the sentence to make sure it still works. At least once a chapter, you need to stop and re-read a couple of sentences, to double check it said what you thought it said!
Not to give the storyline away, but you know almost exactly what is going to happen inside 20 pages of the book, and you will be shouting at the "MIT geniuses" for being so stupid in their choices. You do not have to be a maths genius to see how fundamentally flawed their plans were; their betting patterns are a prime example. One would have thought that people with the brains described in the book would have figured it out for themselves.
Finally, as interesting as the "powerful techniques" are, they require no complex mathematics (as stated throughout the book), instead they are simple counting and card manipulation. They are nothing that you couldn't teach to a teenager without a Maths GCSE, so the stated need to the an "MIT geek" to carry it all off just doesn't wash.
My wife and I read it at the same time, and the main enjoyment came from mocking the writing style, and terrible decisions made by the supposed team of MIT geniuses.