The principal reference for preparing for the test is

Guide to the Project Management Body of Knowledge: Fourth Edition

 

Other references are listed in our BIBLIOGRAPHY

The PMI website has much useful information about the PMP test, including the following:

CERTIFICATION HANDBOOK

APPLICATION INFORMATION

PMI launched the new examination based on the Fourth Edition of PMBOK® in Ju y of 2009.  Under current rules, candidates must obtain a passing score by correctly answering at least  61% of the questions in each area of competence.  Each examination contains 200 questions, of which 25 are experimental.  The experimental questions are not identified to the candidate but are not counted in the candidate's score.

  Competency Area Number of

Questions
Initiating the Project  
  Determine Project Goals 2
  Determine Deliverables 2
  Determine Process Outputs 1
  Document Project Constraints 1
  Document Assumptions 2
  Define Project Strategy 1
  Identify Performance Requirements 2
  Determine Resource Requirements 2
  Define Project Budget 1
  Provide Comprehensive Information 2
Planning the Project  
  Refine Project Requirements 8
  Create WBS 7
  Develop Resource Management Plan 6
  Refine Time and Cost Estimates 6
  Establish Project controls 6
  Develop Project Plan 7
  Obtain Plan Approval 7
Executing the Project  
  Commit Project Resources 10
  Implement Project Plan 9
  Manage Project Progress 11
  Communicate Project Progress 9
  Implement Quality Assurance Procedures 9
Controlling the Project  
  Measure Project Performance 7
  Refine Control Limits 4
  Take Corrective Action 7
  Evaluate Effectiveness of Corrective Action 5
  Ensure Plan Compliance 7
  Reassess Control Plans 4
  Respond to Risk Event Triggers 6
  Monitor Project Activity 5
Closing the Project  
  Obtain Acceptance of Deliverables 4
  Document Lessons Learned 2
  Facilitate Closure 3
  Preserve Product Records and Tools 3
  Release Project Resources 2
Professional Responsibility  
  Ensure Professionalism and Integrity 8
  Contribute to Knowledge Base 3
  Enhance Individual Competence 5
  Balance Stakeholder Interests 7
  Interact with Team and Stakeholders 6