Great information, but contains numerous misspellings and the formatting is horrible. Images are fuzzy and at times never is shown on the page. Book needs work...

While the subject matter and content of this book seem worthwhile, before you consider purchasing, be sure and download the free sample so you can check out all the misspellings and screwed up formatting. It's pretty obvious no human being bothered to proof read it and clean things up after text from the original printed book was scanned in using OCR software. It might be excusable if this book were free, but for $9.99, it's completely unacceptable!