We have received a sneak preview of the upcoming 5th edition of PMBoK. There are some critical changes that will require you to familiarize with the new edition. Especially if you are planning to take the exam during your summer vacation. The PMP exam based on PMBoK 5th edition will start from 31st July 2013 onwards. So don't worry, while the new edition will be released on 31st December this year, you still have 7 months to sit for the exam based on the 4th edition. 

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