The Project Management Institute (PMI) recommends the following items to help you prepare for their Project Management Professional (PMP) exam.
"Exam candidates should be aware that the Project Management Professional (PMP)® examination is not written according to any single text or singularly supported by any particular reference. PMI does not endorse specific review courses, resources, references or other materials for certification preparation. The references listed here are not inclusive of all resources that may be utilized and should not be interpreted as a guaranteed means of passing the exam. As the PMP is a competency-based certification which assesses the integrated set of knowledge, skills and abilities as gained from both practical and learned experiences, it should also be noted that the references identified herewith are but one element of a broader set of educational resources and texts that might possibly be utilized for exam and study preparation. This reference list is provided as a courtesy only and for the non-PMI publications on this list, PMI does not endorse such publication or warrant the accuracy of the information or opinions contained therein." See their article here
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