S9: Red, Orange, Green and Yellow ebooks Bundle
Get e-book copies of all four books in the SYSTEM-9 series in one bundle!
Do you want tennis coaching information that is developmentally appropriate and purposeful, yet simplistic and fun?
This is an electronic version of all of the SYSTEM-9: ROGY books. If you require a hard copies please search Amazon.
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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