S9: Green Ball ebook German
This is the German translation of our Green ball ebook
Do you want tennis coaching information that is developmentally appropriate, purposeful yet simplistic and fun?
Whether you are a parent wanting to teach your child tennis, or a tennis coach, this well thought out, progressive book is for you.
This is the German electronic version of the SYSTEM-9: Green Ball. If you require a hard copy please search Amazon. Once payment is cleared, you will be directed to a page where you can download your copy of SYSTEM-9: Green ball. Please keep your receipt as proof of purchase.
Andy Dowsett has been coaching juniors for three decades, has educated coaches and taught 1000s of children over this time. SYSTEM-9 is a tried and tested method that has been showcased all over the world to coaches and parents with huge success.
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