Colvin G. 2010. Talent is Overrated: What Really Separates World-Class Performers from Everybody Else. Penguin Publishing Group. 1-240.

This Book is about how practice makes perfect and can be directly applied to mathematics.

Here is a link to the book:

http://www.barnesandnoble.com/w/talent-is-overrated-geoff-colvin/1100833086