i am sure for many people it would be better to see an expert, but if you're the kind of person that would rather fix things yourself then that book contains lots of useful advice and exercises (the basic idea is that you learn to recognise what is happening, then control it, and finally use it; it's not trying to stop you being angry, but it's trying to turn it into a force for good, rather than an out-of-control mess).
i am sure for many people it would be better to see an expert, but if you're the kind of person that would rather fix things yourself then that book contains lots of useful advice and exercises (the basic idea is that you learn to recognise what is happening, then control it, and finally use it; it's not trying to stop you being angry, but it's trying to turn it into a force for good, rather than an out-of-control mess).