Hi prospects,
It's a common problem, so no need to apologise!
You'll find a lot of good information about this in two places: SEOMoz for one has some great information about canonicalisation. This is basically the act of telling your website that while this page exists, it's basically a duplicate of another page. This way Google will only look at the "original".
Secondly in terms of Wordpress, I'm a huge fan of Yoast and their articles about optimising Wordpress. In addition to that, they have a fantastic plugin for Wordpress which gives you all the power you'll need to do the required things in Wordpress, so I seriously recommend that you check that out too!
I hope that helps you out!