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Title: Best study guide on the Market.......
Review: There is no better study guide for passing the postal exam than Mr. Parnell's. All info is up to date right with postal guidelines. No other study guide is as easy to understand and follow. As we all know it is practice that makes perfect.I had searched for a study guide like this and purchased three others before this from the list here.I had a hard time understanding and putting the formulas together from other manuals.That was all cleared up after the first listen to the first cd. There are lots of secrets that no one else has.If you need any proof, I got a 100% on my exam.So do yourself a favor and purchase this guide.you need no others.
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