| http://www.w3.org/ns/prov#value | - .Bolletieri covers everything from basic grips, advanced stroke technique (for forehand, backhand, serve, return, drops, lobs and net play), theories on player development (peaking for competition, etc.), doubles play, strategy and tactics, physical conditioning, mental training and even equipment.Though there are many photographs, charts and other visual aids, Bolletteri's Tennis Handbook is prim
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