is an excellent book by Andy Hunt (isbn 1-934356-05-0). As usual I'm going to quote from a few pages:
Being happy broadens your thought processes.
Are you fixing the problem or fixing the blame?
Reading is ineffective compared to any sort of experiential learning.
Documenting is more important than documentation.
Learn from similarities; unlearn from differences.
Your creativity suffers on the day your under the gun and remains suppressed for the next two days as well.
Create an environment where the cost of failure is near zero.
Much of perception is based on prediction.
Every read of your memory is really a write.
Inaction is the enemy, not error.