The Jump Manual by Jacob Hiller is a book from which you will learn how to increase your vertical jump without the assistance of a personal or licensed coach. This program may help you increase your vertical jump by nearly 10 inches in 3 months’ time. Jacob Hiller is a mentor of how to jump higher. In addition to plyometrics, this book attacks the whole of your body so that the maximum vertical jumping that can be achieved. If your jumps do not increase in height in the next 60 days, you can have your money returned in full. This guarantee only shows you that the entire program is real. But there are more things that you may want to discover about Jump Manual.
The Vertical Jump Bible by Kelly Baggett is another creation which guarantees similar benefits, one of which is increasing the height of your jump by 6 inches within a period of only a few months. Continue reading