Books by Jon Engum
Jon Engum
Average rating 3.57 · 114 ratings · 8 reviews · shelved 272 times
Average rating 3.57 · 114 ratings · 8 reviews · shelved 272 times
Showing 2 distinct works.
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Flexible Steel: An Insider's Guide to Ultimate Flexibility
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published
2013
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5 editions
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Trembling Shock: Strength & Conditioning Guide for Martial Athletes & Coaches
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