First of all, an apology if this book has been mentioned here before as I'm sure it will have been, but when I did a search for it, I didn't know how to search for the title alone, so I got a million posts about unrelated things.
I've recently read about this book, and it seems to be very popular, but was wondering what you guys thought of it? Is it really possible to improve that much in such a short space of time, or am I being misled? So many books/products claim to do one thing, and you find out it's not quite how they make out!
So, is this a book worth buying? That's mainly the reason I'm posting, I can't find a cheap version of it, they all seem quite expensive (my income is very limited at the moment!).
Thanks for any advice on this