SKILL: 40 principles that surgeons, athletes, and other elite performers use to achieve mastery by Christopher S. Ahmad | Jun 7, 2015 91 Kindle $499 Available instantly Paperback $1259$14.99 Get it as soon as Fri, Jun 10 FREE Shipping on orders over $25 shipped by Amazon More Buying Choices $3.58 (41 used & new offers) The Abolition of Man