Anger is a God given emotion that can motivate us protect ourselves and others.  However, left unbridled it can cause great harm to relationships resulting in broken friendships, destroyed families, loss of employment, physical harm, and loss of life.

Articles:

Anger Coping Strategies
Coping with Anger Worksheet
Steamed about Anger by Les and Leslie Parrot
Good and Mad by Gary Chapman
Dealing with anger in marriage
Dealing with conflict: Breaking the cycle of arguments.
Helping children manage anger at parents

Walking away can lead to victory.
If your temper reaches the boiling point while you are arguing with someone.  Take the time to cool down and collect your thoughts.  Instead of blaming--look for solutions.

Note : if you continue to have a serious temper and/or are frequently irritated, even after earnestly reading and trying some self-help methods, it is very important that you consult a well trained therapist.

Book Feature:
The anger workbook:
by 
Les Carter and 
Frank Minirth

 Save 20% over retail.