At Slate: A series of articles called "teachings", written by Eric Liu, now compiled in a new book called "Guiding Lights", is good reading (Thanks Alton).

Here is a quote from the author:

Over the last two and a half years, I traveled across the country in search of life-changing teachers and mentors from all different walks. I met race-car drivers, Indian potters, ballet dancers, rappers, research scientists, law professors, Montessori teachers, aerobatic pilots, master carpenters, and many others. The book that emerged from those travels is called Guiding Lights. It tells the stories of several of these remarkable people and the ways they transform their apprentices. And it's the basis for a series of four pieces on Slate and NPR's Day to Day in which figures from the book teach me to do something new.