Good book for youth coaches and sports parents titled, "The Talent Code" from Daniel Coyle.
Counter-intuitive info on how to develop skill sets and very different from the U.S. model of "game speed" practice.
Useful story on how a banged up tennis school in Moscow (with a single tennis court) has produced more top 20 female tennis players than the entire U.S. tennis system.
http://www.amazon.com/Talent-Code-Greatness-Born-Grown/dp/055380684X/ref=sr_1_1?ie=UTF8&qid=1461424525&sr=8-1&keywords=talent+code
