John Maurek wrote a review on his blog “Spread Football”. Read it here: http://highspeedspreadfootball.blogspot.com/2013/04/coach-grabowski-ibook-reviewfinally.html
Be sure to checkout out his other posts and info on his site. It is full of useful information. He also runs a forum worth checking out. http://nohuddlespread.proboards.com/index.cgi?
Purchase my iBook from your iPad here: https://itunes.apple.com/us/book/101+-pro-style-pistol-offense/id611588645?mt=11