How to Jump Higher in 45 Minutes–The Workbook

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  1. Can you tell me why “The Jump Manual” is no longer available as a Kindle book please? Thanks

  2. Hey Jacob,

    Thanks for the great 45 minute book. It did a lot to help me increase my jumping ability a bit. I tell my readers about your Jump Manual quite a bit, too! Keep up the good work!

    - Pat

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