The 2012 Edition of the PHR / SPHR Study Manual has been revised and updated for the new 2012 exams. It is a comprehensive guidebook that covers all six exam topics, and includes numerous test taking tips throughout the book. It is an important resource for those individuals who prefer to work independently in preparation for the PHR / SPHR certification exam. In addition to practice questions at the end of each chapter, the study manual also includes a 225-question sample test with detailed answer explanations.