I had the privilege of hearing Thomas Armstrong speak at the Institute for Challenging Disorganization conference. His books explain and celebrate the variety of ways in which people may be “smart”, and how to support your own way in the classroom or at work. Find his many books listed on his Amazon page:
If you are looking for ways to increase your willpower and increase your success in any part of your life, I recommend Kelly McGonigal’s The Willpower Instinct. I found it interesting, inspiring, and written in a very entertaining style.