Not being the greatest mathematician on the planet, I need a little help to aid with understanding. With this book I get it. I have bought many books on the subject recently (some quite expensive) with this goal in mind and with the exception of this one book, they have all fallen short of the mark. You know the sort of thing I mean, making great leaps of logic, leaving you thinking `how on earth did they get from here to there'. With this book it's different. The style is friendly, explanations are comprehensive and there are good examples of technique. Unlike many other authors Adrian Banner does not leave the hardest problems to the reader to fathom out, he gets right in there and shows the way. The only things missing are sample questions, but don't let that put you off. If I could have given this book a better rating I would have. Well done Adrian.