Fat around the belly

I am trying to get rid of the spare tire around my stomach. I work out 4-5 times a week and do both cardio and weight training-I mainly do Jari Love and The Firm workout videos. This is the only part of my body that I need to lose weight. I thought about getting Prevention's Fat Belly Diet, but don't know if the results they claim are true-if anyone has tried it, I would love to hear from you. Thanks